diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index 81a4dcd..de61390 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -256,16 +256,35 @@ Done
 
 ### Bevy Plugins
 
-| Plugin | Responsibility |
-|---|---|
-| `CardPlugin` | Card entity spawning, sprite management, drag-and-drop |
-| `TablePlugin` | Pile markers, background, layout calculation |
-| `AnimationPlugin` | Slide, flip, win cascade, toast animations |
-| `AudioPlugin` | Sound effect and music playback via bevy_kira_audio |
-| `UIPlugin` | All Bevy UI screens: Home, Stats, Achievements, Settings, Profile |
-| `AchievementPlugin` | Listens for game events, evaluates unlock conditions, fires toasts |
-| `SyncPlugin` | Manages sync lifecycle (pull on start, push on exit, status display) |
-| `GamePlugin` | Core game state resource, input routing, win detection |
+| Plugin | Key | Responsibility |
+|---|---|---|
+| `CardPlugin` | — | Card entity spawning, sprite management, drag-and-drop |
+| `TablePlugin` | — | Pile markers, background, layout calculation |
+| `AnimationPlugin` | — | Slide, flip, win cascade, toast animations |
+| `FeedbackAnimPlugin` | — | Shake, settle, and deal-stagger animations |
+| `AutoCompletePlugin` | Enter | Executes auto-complete when the HUD badge is lit |
+| `AudioPlugin` | — | Sound effect and music playback via bevy_kira_audio |
+| `InputPlugin` | — | Keyboard and mouse input routing |
+| `CursorPlugin` | — | Custom cursor sprite during drag |
+| `SelectionPlugin` | — | Keyboard-driven card selection |
+| `GamePlugin` | N | Core game state resource, new-game flow, win/game-over overlays |
+| `HudPlugin` | — | Score, move counter, timer, auto-complete badge |
+| `StatsPlugin` | S | Stats overlay and persistence |
+| `ProgressPlugin` | — | XP/level system, persistence |
+| `AchievementPlugin` | A | Unlock evaluation, toast events, persistence |
+| `DailyChallengePlugin` | — | Daily challenge resource and completion tracking |
+| `WeeklyGoalsPlugin` | — | Weekly goal progress and completion events |
+| `ChallengePlugin` | — | Challenge mode progression (seeded hard deals) |
+| `TimeAttackPlugin` | — | 10-minute time-attack mode timer |
+| `HomePlugin` | M | Main-menu overlay with keyboard shortcut reference |
+| `ProfilePlugin` | P | Player profile overlay: level, XP, achievements, sync status |
+| `SettingsPlugin` | O | Settings panel: audio, draw mode, theme, sync, cosmetics |
+| `LeaderboardPlugin` | L | Leaderboard overlay |
+| `HelpPlugin` | H | Help / controls overlay |
+| `PausePlugin` | Esc | Pause and resume |
+| `OnboardingPlugin` | — | First-run welcome screen |
+| `SyncPlugin` | — | Async sync lifecycle (pull on start, push on exit, status display) |
+| `WinSummaryPlugin` | — | Win cascade overlay and screen-shake effect |
 
 ### Key Bevy Resources
 
@@ -588,6 +607,9 @@ pub enum PileType {
 
 pub enum DrawMode { DrawOne, DrawThree }
 
+/// Active game mode. Classic is the default; others unlock at level 5.
+pub enum GameMode { Classic, Zen, Challenge, TimeAttack }
+
 pub enum MoveError {
     InvalidSource,
     InvalidDestination,
@@ -600,13 +622,16 @@ pub enum MoveError {
 pub struct GameState {
     pub piles: HashMap<PileType, Vec<Card>>,
     pub draw_mode: DrawMode,
+    pub mode: GameMode,
     pub score: i32,
     pub move_count: u32,
+    pub undo_count: u32,        // number of undos used in this game
+    pub recycle_count: u32,     // number of stock recycles
     pub elapsed_seconds: u64,
     pub seed: u64,
     pub is_won: bool,
     pub is_auto_completable: bool,
-    undo_stack: Vec<StateSnapshot>,   // private, max 64
+    undo_stack: VecDeque<StateSnapshot>,   // private, max 64 (VecDeque for O(1) pop_front)
 }
 ```
 
diff --git a/solitaire_app/src/main.rs b/solitaire_app/src/main.rs
index 43e629a..32a7524 100644
--- a/solitaire_app/src/main.rs
+++ b/solitaire_app/src/main.rs
@@ -3,9 +3,9 @@ use solitaire_data::{load_settings_from, provider_for_backend, settings_file_pat
 use solitaire_engine::{
     AchievementPlugin, AnimationPlugin, AudioPlugin, AutoCompletePlugin, CardPlugin,
     ChallengePlugin, CursorPlugin, DailyChallengePlugin, FeedbackAnimPlugin, GamePlugin,
-    HelpPlugin, HudPlugin, InputPlugin, LeaderboardPlugin, OnboardingPlugin, PausePlugin,
-    ProgressPlugin, SettingsPlugin, StatsPlugin, SyncPlugin, TablePlugin, TimeAttackPlugin,
-    WeeklyGoalsPlugin,
+    HelpPlugin, HomePlugin, HudPlugin, InputPlugin, LeaderboardPlugin, OnboardingPlugin,
+    PausePlugin, ProfilePlugin, ProgressPlugin, SettingsPlugin, StatsPlugin, SyncPlugin,
+    TablePlugin, TimeAttackPlugin, WeeklyGoalsPlugin,
 };
 
 fn main() {
@@ -44,6 +44,8 @@ fn main() {
         .add_plugins(TimeAttackPlugin)
         .add_plugins(HudPlugin)
         .add_plugins(HelpPlugin)
+        .add_plugins(HomePlugin)
+        .add_plugins(ProfilePlugin)
         .add_plugins(PausePlugin)
         .add_plugins(SettingsPlugin::default())
         .add_plugins(AudioPlugin)
diff --git a/solitaire_engine/src/animation_plugin.rs b/solitaire_engine/src/animation_plugin.rs
index f931dc6..c2ef5ff 100644
--- a/solitaire_engine/src/animation_plugin.rs
+++ b/solitaire_engine/src/animation_plugin.rs
@@ -24,6 +24,7 @@ use crate::events::{InfoToastEvent, NewGameConfirmEvent, XpAwardedEvent};
 use crate::events::{AchievementUnlockedEvent, GameWonEvent};
 use crate::game_plugin::GameMutation;
 use crate::layout::LayoutResource;
+use crate::pause_plugin::PausedResource;
 use crate::progress_plugin::LevelUpEvent;
 use crate::settings_plugin::{SettingsChangedEvent, SettingsResource};
 use crate::time_attack_plugin::TimeAttackEndedEvent;
@@ -60,8 +61,41 @@ const WEEKLY_TOAST_SECS: f32 = 3.0;
 const TIME_ATTACK_TOAST_SECS: f32 = 5.0;
 const CHALLENGE_TOAST_SECS: f32 = 3.0;
 const VOLUME_TOAST_SECS: f32 = 1.4;
-const CASCADE_STAGGER: f32 = 0.05;
-const CASCADE_DURATION: f32 = 0.5;
+
+/// Per-card stagger interval for the win cascade at Normal speed (seconds).
+const CASCADE_STAGGER_NORMAL: f32 = 0.05;
+/// Duration of each card's cascade slide at Normal speed (seconds).
+const CASCADE_DURATION_NORMAL: f32 = 0.5;
+
+/// Returns the per-card stagger delay for the win cascade at the given `AnimSpeed`.
+///
+/// | `AnimSpeed` | Returned value |
+/// |-------------|----------------|
+/// | `Normal`    | 0.05 s         |
+/// | `Fast`      | 0.025 s        |
+/// | `Instant`   | 0.0 s          |
+pub fn cascade_step_secs(speed: AnimSpeed) -> f32 {
+    match speed {
+        AnimSpeed::Normal => CASCADE_STAGGER_NORMAL,
+        AnimSpeed::Fast => CASCADE_STAGGER_NORMAL / 2.0,
+        AnimSpeed::Instant => 0.0,
+    }
+}
+
+/// Returns the slide duration for each card in the win cascade at the given `AnimSpeed`.
+///
+/// | `AnimSpeed` | Returned value |
+/// |-------------|----------------|
+/// | `Normal`    | 0.5 s          |
+/// | `Fast`      | 0.25 s         |
+/// | `Instant`   | 0.0 s          |
+pub fn cascade_duration_secs(speed: AnimSpeed) -> f32 {
+    match speed {
+        AnimSpeed::Normal => CASCADE_DURATION_NORMAL,
+        AnimSpeed::Fast => CASCADE_DURATION_NORMAL / 2.0,
+        AnimSpeed::Instant => 0.0,
+    }
+}
 
 /// Linear-lerp slide animation.
 ///
@@ -181,11 +215,19 @@ fn sync_slide_duration(
     }
 }
 
+/// Advances all in-flight `CardAnim` slide animations.
+///
+/// Skipped while the game is paused so cards do not move while the pause
+/// overlay is open.
 fn advance_card_anims(
     mut commands: Commands,
     time: Res<Time>,
+    paused: Option<Res<PausedResource>>,
     mut anims: Query<(Entity, &mut Transform, &mut CardAnim)>,
 ) {
+    if paused.is_some_and(|p| p.0) {
+        return;
+    }
     let dt = time.delta_secs();
     for (entity, mut transform, mut anim) in &mut anims {
         if anim.delay > 0.0 {
@@ -206,6 +248,7 @@ fn handle_win_cascade(
     mut events: EventReader<GameWonEvent>,
     cards: Query<(Entity, &Transform), With<CardEntity>>,
     layout: Option<Res<LayoutResource>>,
+    settings: Option<Res<SettingsResource>>,
 ) {
     let Some(ev) = events.read().next() else {
         return;
@@ -230,13 +273,17 @@ fn handle_win_cascade(
     let win_msg = format!("You Win!  Score: {}  Time: {m}:{s:02}", ev.score);
     spawn_toast(&mut commands, win_msg, WIN_TOAST_SECS);
 
+    let speed = settings.as_ref().map(|s| s.0.animation_speed.clone());
+    let step = speed.clone().map(cascade_step_secs).unwrap_or(CASCADE_STAGGER_NORMAL);
+    let duration = speed.map(cascade_duration_secs).unwrap_or(CASCADE_DURATION_NORMAL);
+
     for (i, (entity, transform)) in cards.iter().enumerate() {
         commands.entity(entity).insert(CardAnim {
             start: transform.translation,
             target: targets[i % 8],
             elapsed: 0.0,
-            duration: CASCADE_DURATION,
-            delay: i as f32 * CASCADE_STAGGER,
+            duration,
+            delay: i as f32 * step,
         });
     }
 }
@@ -396,12 +443,21 @@ fn enqueue_toasts(
 /// This is the second half of the two-system toast queue (Task #67). When the
 /// active toast's timer reaches zero the entity is despawned and the next
 /// message in `ToastQueue` is shown.
+/// Pops and displays queued toasts one at a time, despawning each after
+/// `QUEUED_TOAST_SECS`.
+///
+/// Skipped while the game is paused so the active toast timer freezes and no
+/// new messages are dequeued.
 fn drive_toast_display(
     mut commands: Commands,
     time: Res<Time>,
+    paused: Option<Res<PausedResource>>,
     mut queue: ResMut<ToastQueue>,
     mut active: ResMut<ActiveToast>,
 ) {
+    if paused.is_some_and(|p| p.0) {
+        return;
+    }
     let dt = time.delta_secs();
 
     // Tick down the active toast timer.
@@ -459,11 +515,19 @@ fn handle_xp_awarded_toast(mut commands: Commands, mut events: EventReader<XpAwa
     }
 }
 
+/// Ticks down `ToastTimer` on each toast and despawns it when the timer expires.
+///
+/// Skipped while the game is paused so toast countdowns freeze along with the
+/// rest of the animation systems.
 fn tick_toasts(
     mut commands: Commands,
     time: Res<Time>,
+    paused: Option<Res<PausedResource>>,
     mut toasts: Query<(Entity, &mut ToastTimer)>,
 ) {
+    if paused.is_some_and(|p| p.0) {
+        return;
+    }
     let dt = time.delta_secs();
     for (entity, mut timer) in &mut toasts {
         timer.0 -= dt;
@@ -742,4 +806,48 @@ mod tests {
             .count();
         assert_eq!(after, 52, "all 52 cards should have cascade animations");
     }
+
+    // -----------------------------------------------------------------------
+    // Task #52 — cascade timing helper tests
+    // -----------------------------------------------------------------------
+
+    #[test]
+    fn cascade_step_normal_is_expected_value() {
+        assert!((cascade_step_secs(AnimSpeed::Normal) - 0.05).abs() < 1e-6);
+    }
+
+    #[test]
+    fn cascade_step_fast_is_half_normal() {
+        let normal = cascade_step_secs(AnimSpeed::Normal);
+        let fast = cascade_step_secs(AnimSpeed::Fast);
+        assert!(
+            (fast - normal / 2.0).abs() < 1e-6,
+            "Fast cascade step must be half of Normal; normal={normal} fast={fast}"
+        );
+    }
+
+    #[test]
+    fn cascade_step_instant_is_zero() {
+        assert_eq!(cascade_step_secs(AnimSpeed::Instant), 0.0);
+    }
+
+    #[test]
+    fn cascade_duration_normal_is_expected_value() {
+        assert!((cascade_duration_secs(AnimSpeed::Normal) - 0.5).abs() < 1e-6);
+    }
+
+    #[test]
+    fn cascade_duration_fast_is_half_normal() {
+        let normal = cascade_duration_secs(AnimSpeed::Normal);
+        let fast = cascade_duration_secs(AnimSpeed::Fast);
+        assert!(
+            (fast - normal / 2.0).abs() < 1e-6,
+            "Fast cascade duration must be half of Normal; normal={normal} fast={fast}"
+        );
+    }
+
+    #[test]
+    fn cascade_duration_instant_is_zero() {
+        assert_eq!(cascade_duration_secs(AnimSpeed::Instant), 0.0);
+    }
 }
diff --git a/solitaire_engine/src/audio_plugin.rs b/solitaire_engine/src/audio_plugin.rs
index ed8c1ea..1953b4a 100644
--- a/solitaire_engine/src/audio_plugin.rs
+++ b/solitaire_engine/src/audio_plugin.rs
@@ -32,8 +32,8 @@ use kira::tween::Tween;
 use kira::Volume;
 
 use crate::events::{
-    CardFlippedEvent, DrawRequestEvent, GameWonEvent, MoveRejectedEvent, MoveRequestEvent,
-    NewGameRequestEvent, UndoRequestEvent,
+    CardFaceRevealedEvent, CardFlippedEvent, DrawRequestEvent, GameWonEvent, MoveRejectedEvent,
+    MoveRequestEvent, NewGameRequestEvent, UndoRequestEvent,
 };
 use crate::pause_plugin::PausedResource;
 use crate::resources::GameStateResource;
@@ -136,6 +136,7 @@ impl Plugin for AudioPlugin {
             .add_event::<NewGameRequestEvent>()
             .add_event::<GameWonEvent>()
             .add_event::<CardFlippedEvent>()
+            .add_event::<CardFaceRevealedEvent>()
             .add_event::<UndoRequestEvent>()
             .add_event::<SettingsChangedEvent>()
             .add_systems(Startup, apply_initial_volume)
@@ -147,7 +148,7 @@ impl Plugin for AudioPlugin {
                     play_on_rejected,
                     play_on_new_game,
                     play_on_win,
-                    play_on_card_flip,
+                    play_on_face_revealed,
                     play_on_undo,
                     apply_volume_on_change,
                     handle_mute_keys,
@@ -226,6 +227,27 @@ fn play(audio: &mut AudioState, sound: &StaticSoundData) {
     }
 }
 
+impl AudioState {
+    /// Plays `sound` through the SFX sub-track at `volume` amplitude (0.0–1.0+).
+    ///
+    /// Behaves identically to the crate-private `play()` function but accepts an
+    /// explicit volume override so callers can play sounds at a fraction of their
+    /// normal level. Silently does nothing when audio is unavailable.
+    pub fn play_sfx_at_volume(&mut self, sound: &StaticSoundData, volume: f64) {
+        let Some(manager) = self.manager.as_mut() else {
+            return;
+        };
+        let mut data = sound.clone();
+        data.settings.volume = Volume::Amplitude(volume).into();
+        if let Some(track) = &self.sfx_track {
+            data.settings.output_destination = track.id().into();
+        }
+        if let Err(e) = manager.play(data) {
+            warn!("failed to play SFX at volume {volume}: {e}");
+        }
+    }
+}
+
 fn set_sfx_volume(audio: &mut AudioState, volume: f32) {
     if let Some(track) = audio.sfx_track.as_mut() {
         track.set_volume(volume.clamp(0.0, 1.0) as f64, Tween::default());
@@ -390,8 +412,13 @@ fn play_on_win(
     }
 }
 
-fn play_on_card_flip(
-    mut events: EventReader<CardFlippedEvent>,
+/// Plays the card-flip sound at the animation midpoint — the instant the face
+/// is visually revealed — keeping audio and visuals in sync.
+///
+/// Driven by `CardFaceRevealedEvent`, which is fired by `tick_flip_anim` at
+/// the phase transition (scale.x crosses 0), not by the move event itself.
+fn play_on_face_revealed(
+    mut events: EventReader<CardFaceRevealedEvent>,
     mut audio: NonSendMut<AudioState>,
     lib: Option<Res<SoundLibrary>>,
 ) {
diff --git a/solitaire_engine/src/auto_complete_plugin.rs b/solitaire_engine/src/auto_complete_plugin.rs
index 9ae4d34..0c32f03 100644
--- a/solitaire_engine/src/auto_complete_plugin.rs
+++ b/solitaire_engine/src/auto_complete_plugin.rs
@@ -10,10 +10,17 @@
 
 use bevy::prelude::*;
 
+use crate::audio_plugin::{AudioState, SoundLibrary};
 use crate::events::{MoveRequestEvent, StateChangedEvent};
 use crate::game_plugin::GameMutation;
 use crate::resources::GameStateResource;
 
+/// Volume amplitude used for the auto-complete activation chime.
+///
+/// Plays the win fanfare at half volume so it is clearly distinguishable from
+/// both normal card-place sounds and the full win fanfare that fires later.
+const AUTO_COMPLETE_CHIME_VOLUME: f64 = 0.5;
+
 /// Seconds between consecutive auto-complete moves.
 const STEP_INTERVAL: f32 = 0.12;
 
@@ -34,7 +41,11 @@ impl Plugin for AutoCompletePlugin {
         app.init_resource::<AutoCompleteState>()
             .add_systems(
                 Update,
-                (detect_auto_complete, drive_auto_complete)
+                (
+                    detect_auto_complete,
+                    on_auto_complete_start,
+                    drive_auto_complete,
+                )
                     .chain()
                     .after(GameMutation),
             );
@@ -66,6 +77,30 @@ fn detect_auto_complete(
     }
 }
 
+/// Plays a distinct chime the moment auto-complete first activates.
+///
+/// Uses a `Local<bool>` to remember the previous `active` state and fires
+/// exactly once on the `false → true` edge. The win fanfare is played at half
+/// volume (`AUTO_COMPLETE_CHIME_VOLUME`) so it is clearly recognisable but does
+/// not overwhelm the card-place sounds that follow immediately.
+fn on_auto_complete_start(
+    state: Res<AutoCompleteState>,
+    mut was_active: Local<bool>,
+    mut audio: Option<NonSendMut<AudioState>>,
+    lib: Option<Res<SoundLibrary>>,
+) {
+    let now_active = state.active;
+    let edge = now_active && !*was_active;
+    *was_active = now_active;
+
+    if !edge {
+        return;
+    }
+
+    let (Some(audio), Some(lib)) = (audio.as_mut(), lib) else { return };
+    audio.play_sfx_at_volume(&lib.fanfare, AUTO_COMPLETE_CHIME_VOLUME);
+}
+
 /// Fires one `MoveRequestEvent` per `STEP_INTERVAL` while auto-complete is active.
 fn drive_auto_complete(
     mut state: ResMut<AutoCompleteState>,
diff --git a/solitaire_engine/src/card_plugin.rs b/solitaire_engine/src/card_plugin.rs
index 5e4e130..046bd29 100644
--- a/solitaire_engine/src/card_plugin.rs
+++ b/solitaire_engine/src/card_plugin.rs
@@ -22,7 +22,7 @@ use solitaire_core::pile::PileType;
 use solitaire_core::rules::{can_place_on_foundation, can_place_on_tableau};
 
 use crate::animation_plugin::{CardAnim, EffectiveSlideDuration};
-use crate::events::{CardFlippedEvent, StateChangedEvent};
+use crate::events::{CardFaceRevealedEvent, CardFlippedEvent, StateChangedEvent};
 use crate::game_plugin::GameMutation;
 use crate::layout::{Layout, LayoutResource};
 use crate::pause_plugin::PausedResource;
@@ -87,6 +87,11 @@ pub struct HintHighlight {
 #[derive(Component, Debug)]
 pub struct RightClickHighlight;
 
+/// Marker placed on the child `Text2d` entity that shows "↺" on the stock pile
+/// marker when the stock pile is empty.
+#[derive(Component, Debug)]
+pub struct StockEmptyLabel;
+
 // ---------------------------------------------------------------------------
 // Task #34 — Card-flip animation
 // ---------------------------------------------------------------------------
@@ -137,7 +142,8 @@ impl Plugin for CardPlugin {
         app.init_resource::<ButtonInput<MouseButton>>()
             .add_event::<SettingsChangedEvent>()
             .add_event::<CardFlippedEvent>()
-            .add_systems(PostStartup, sync_cards_startup)
+            .add_event::<CardFaceRevealedEvent>()
+            .add_systems(PostStartup, (sync_cards_startup, update_stock_empty_indicator_startup))
             .add_systems(
                 Update,
                 (
@@ -148,6 +154,9 @@ impl Plugin for CardPlugin {
                     update_drag_shadow,
                     tick_hint_highlight,
                     handle_right_click,
+                    clear_right_click_highlights_on_state_change.after(GameMutation),
+                    clear_right_click_highlights_on_pause,
+                    update_stock_empty_indicator.after(GameMutation),
                 ),
             );
     }
@@ -508,16 +517,18 @@ fn start_flip_anim(
 /// Advances `CardFlipAnim` each frame, modifying `Transform::scale.x`.
 ///
 /// - Phase `ScalingDown`: lerps scale.x from 1.0 → 0.0 over `FLIP_HALF_SECS`.
-/// - At the midpoint the phase switches to `ScalingUp` and scale.x resets to 0.
+/// - At the midpoint the phase switches to `ScalingUp`, scale.x resets to 0,
+///   and a `CardFaceRevealedEvent` is fired so audio plays in sync with the reveal.
 /// - Phase `ScalingUp`:  lerps scale.x from 0.0 → 1.0 over `FLIP_HALF_SECS`.
 /// - When complete the component is removed and scale.x is restored to 1.0.
 fn tick_flip_anim(
     mut commands: Commands,
     time: Res<Time>,
-    mut anims: Query<(Entity, &mut Transform, &mut CardFlipAnim)>,
+    mut anims: Query<(Entity, &CardEntity, &mut Transform, &mut CardFlipAnim)>,
+    mut reveal_events: EventWriter<CardFaceRevealedEvent>,
 ) {
     let dt = time.delta_secs();
-    for (entity, mut transform, mut anim) in &mut anims {
+    for (entity, card_entity, mut transform, mut anim) in &mut anims {
         anim.timer += dt;
         match anim.phase {
             FlipPhase::ScalingDown => {
@@ -527,6 +538,9 @@ fn tick_flip_anim(
                     anim.phase = FlipPhase::ScalingUp;
                     anim.timer = 0.0;
                     transform.scale.x = 0.0;
+                    // Fire the reveal event exactly once, at the phase transition,
+                    // so the flip sound is synchronised with the visual face reveal.
+                    reveal_events.send(CardFaceRevealedEvent(card_entity.card_id));
                 }
             }
             FlipPhase::ScalingUp => {
@@ -650,6 +664,59 @@ const RIGHT_CLICK_HIGHLIGHT_COLOUR: Color = Color::srgba(0.2, 0.8, 0.2, 0.6);
 /// Restored color for `PileMarker` sprites when the highlight is cleared.
 const PILE_MARKER_DEFAULT_COLOUR: Color = Color::srgba(1.0, 1.0, 1.0, 0.08);
 
+/// Removes the `RightClickHighlight` marker from every highlighted pile and
+/// resets its sprite colour to `PILE_MARKER_DEFAULT_COLOUR`.
+///
+/// Shared by the on-state-change and on-pause clear systems to avoid
+/// duplicating the removal logic.
+fn clear_right_click_highlights(
+    commands: &mut Commands,
+    highlighted: &Query<Entity, With<RightClickHighlight>>,
+    pile_markers: &mut Query<(Entity, &PileMarker, &mut Sprite)>,
+) {
+    for entity in highlighted.iter() {
+        commands.entity(entity).remove::<RightClickHighlight>();
+    }
+    for (_entity, _, mut sprite) in pile_markers.iter_mut() {
+        if sprite.color == RIGHT_CLICK_HIGHLIGHT_COLOUR {
+            sprite.color = PILE_MARKER_DEFAULT_COLOUR;
+        }
+    }
+}
+
+/// Clears all right-click destination highlights whenever any game-state
+/// mutation succeeds (`StateChangedEvent` fires).
+///
+/// This ensures stale highlights do not linger after a card is moved.
+fn clear_right_click_highlights_on_state_change(
+    mut events: EventReader<StateChangedEvent>,
+    mut commands: Commands,
+    highlighted: Query<Entity, With<RightClickHighlight>>,
+    mut pile_markers: Query<(Entity, &PileMarker, &mut Sprite)>,
+) {
+    if events.read().next().is_none() {
+        return;
+    }
+    clear_right_click_highlights(&mut commands, &highlighted, &mut pile_markers);
+}
+
+/// Clears all right-click destination highlights when the game is paused
+/// (`PausedResource` changes to `true`).
+///
+/// Prevents highlighted pile markers from remaining visible behind the pause
+/// overlay.
+fn clear_right_click_highlights_on_pause(
+    paused: Option<Res<PausedResource>>,
+    mut commands: Commands,
+    highlighted: Query<Entity, With<RightClickHighlight>>,
+    mut pile_markers: Query<(Entity, &PileMarker, &mut Sprite)>,
+) {
+    let Some(paused) = paused else { return };
+    if paused.is_changed() && paused.0 {
+        clear_right_click_highlights(&mut commands, &highlighted, &mut pile_markers);
+    }
+}
+
 /// Handles right-click: highlights legal destination piles for the clicked card,
 /// and clears highlights on any subsequent right- or left-click.
 ///
@@ -766,6 +833,117 @@ fn find_top_card_at(
     best.map(|(_, card)| card)
 }
 
+// ---------------------------------------------------------------------------
+// Task #28 — Stock-empty visual indicator
+// ---------------------------------------------------------------------------
+
+/// Sprite colour applied to the stock `PileMarker` when the stock pile is empty,
+/// to signal to the player that there are no more cards to draw.
+const STOCK_EMPTY_DIM_COLOUR: Color = Color::srgba(1.0, 1.0, 1.0, 0.4);
+
+/// Sprite colour applied to the stock `PileMarker` when cards remain in stock.
+const STOCK_NORMAL_COLOUR: Color = Color::srgba(1.0, 1.0, 1.0, 0.08);
+
+/// Shared logic for updating the stock pile marker's dim state and "↺" label.
+///
+/// If the stock pile is empty the marker sprite is dimmed to
+/// `STOCK_EMPTY_DIM_COLOUR` and a child `Text2d` with `StockEmptyLabel` is
+/// spawned (if not already present). When the stock is non-empty the marker is
+/// restored to `STOCK_NORMAL_COLOUR` and any `StockEmptyLabel` children are
+/// despawned.
+fn apply_stock_empty_indicator(
+    commands: &mut Commands,
+    game: &GameState,
+    pile_markers: &mut Query<(Entity, &PileMarker, &mut Sprite)>,
+    label_children: &Query<(Entity, &Parent), With<StockEmptyLabel>>,
+    layout: &Layout,
+) {
+    let stock_empty = game
+        .piles
+        .get(&PileType::Stock)
+        .is_none_or(|p| p.cards.is_empty());
+
+    for (entity, pile_marker, mut sprite) in pile_markers.iter_mut() {
+        if pile_marker.0 != PileType::Stock {
+            continue;
+        }
+
+        if stock_empty {
+            // Dim the marker sprite.
+            sprite.color = STOCK_EMPTY_DIM_COLOUR;
+
+            // Spawn the "↺" label only if one does not already exist.
+            let already_has_label = label_children
+                .iter()
+                .any(|(_, parent)| parent.get() == entity);
+            if !already_has_label {
+                let font_size = layout.card_size.x * 0.4;
+                commands.entity(entity).with_children(|b| {
+                    b.spawn((
+                        StockEmptyLabel,
+                        Text2d::new("↺"),
+                        TextFont { font_size, ..default() },
+                        TextColor(Color::srgba(1.0, 1.0, 1.0, 0.7)),
+                        Transform::from_xyz(0.0, 0.0, 0.1),
+                    ));
+                });
+            }
+        } else {
+            // Restore normal brightness.
+            sprite.color = STOCK_NORMAL_COLOUR;
+
+            // Despawn any existing "↺" label children.
+            for (label_entity, parent) in label_children.iter() {
+                if parent.get() == entity {
+                    commands.entity(label_entity).despawn_recursive();
+                }
+            }
+        }
+    }
+}
+
+/// Runs at `PostStartup` to apply the stock-empty indicator for the initial
+/// game state (before any `StateChangedEvent` fires).
+fn update_stock_empty_indicator_startup(
+    mut commands: Commands,
+    game: Res<GameStateResource>,
+    layout: Option<Res<LayoutResource>>,
+    mut pile_markers: Query<(Entity, &PileMarker, &mut Sprite)>,
+    label_children: Query<(Entity, &Parent), With<StockEmptyLabel>>,
+) {
+    let Some(layout) = layout else { return };
+    apply_stock_empty_indicator(
+        &mut commands,
+        &game.0,
+        &mut pile_markers,
+        &label_children,
+        &layout.0,
+    );
+}
+
+/// Runs each `Update` tick when a `StateChangedEvent` arrives, keeping the
+/// stock pile marker dim state and "↺" label in sync with the current stock.
+fn update_stock_empty_indicator(
+    mut events: EventReader<StateChangedEvent>,
+    mut commands: Commands,
+    game: Res<GameStateResource>,
+    layout: Option<Res<LayoutResource>>,
+    mut pile_markers: Query<(Entity, &PileMarker, &mut Sprite)>,
+    label_children: Query<(Entity, &Parent), With<StockEmptyLabel>>,
+) {
+    if events.read().next().is_none() {
+        return;
+    }
+    let Some(layout) = layout else { return };
+    apply_stock_empty_indicator(
+        &mut commands,
+        &game.0,
+        &mut pile_markers,
+        &label_children,
+        &layout.0,
+    );
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/solitaire_engine/src/challenge_plugin.rs b/solitaire_engine/src/challenge_plugin.rs
index 9955175..a8cb33c 100644
--- a/solitaire_engine/src/challenge_plugin.rs
+++ b/solitaire_engine/src/challenge_plugin.rs
@@ -44,6 +44,7 @@ fn advance_on_challenge_win(
     mut progress: ResMut<ProgressResource>,
     path: Res<ProgressStoragePath>,
     mut advanced: EventWriter<ChallengeAdvancedEvent>,
+    mut toast: EventWriter<InfoToastEvent>,
 ) {
     for _ in wins.read() {
         if game.0.mode != GameMode::Challenge {
@@ -56,6 +57,9 @@ fn advance_on_challenge_win(
                 warn!("failed to save progress after challenge advance: {e}");
             }
         }
+        // Human-readable level is 1-based (index 0 → "Challenge 1").
+        let level_number = prev.saturating_add(1);
+        toast.send(InfoToastEvent(format!("Challenge {level_number} complete!")));
         advanced.send(ChallengeAdvancedEvent {
             previous_index: prev,
             new_index: progress.0.challenge_index,
@@ -199,6 +203,48 @@ mod tests {
         assert_eq!(challenge_progress_label(2), format!("3 / {total}"));
     }
 
+    #[test]
+    fn challenge_win_fires_complete_toast_with_level_number() {
+        let mut app = headless_app();
+        // Set challenge_index to 2 so the completed level is "Challenge 3".
+        app.world_mut().resource_mut::<ProgressResource>().0.challenge_index = 2;
+        app.world_mut().resource_mut::<GameStateResource>().0 =
+            GameState::new_with_mode(1, DrawMode::DrawOne, GameMode::Challenge);
+
+        app.world_mut().send_event(GameWonEvent {
+            score: 500,
+            time_seconds: 100,
+        });
+        app.update();
+
+        let events = app.world().resource::<Events<InfoToastEvent>>();
+        let mut cursor = events.get_cursor();
+        let fired: Vec<_> = cursor.read(events).collect();
+        assert_eq!(fired.len(), 1, "exactly one toast must fire on challenge win");
+        assert!(
+            fired[0].0.contains("Challenge 3"),
+            "toast must name the 1-based level that was just completed"
+        );
+    }
+
+    #[test]
+    fn classic_win_does_not_fire_challenge_complete_toast() {
+        let mut app = headless_app();
+        // Default mode is Classic.
+        app.world_mut().send_event(GameWonEvent {
+            score: 500,
+            time_seconds: 100,
+        });
+        app.update();
+
+        let events = app.world().resource::<Events<InfoToastEvent>>();
+        let mut cursor = events.get_cursor();
+        assert!(
+            cursor.read(events).next().is_none(),
+            "no challenge toast should fire for non-Challenge wins"
+        );
+    }
+
     #[test]
     fn pressing_x_below_unlock_level_fires_info_toast() {
         let mut app = headless_app();
diff --git a/solitaire_engine/src/cursor_plugin.rs b/solitaire_engine/src/cursor_plugin.rs
index c0c59db..796fbd2 100644
--- a/solitaire_engine/src/cursor_plugin.rs
+++ b/solitaire_engine/src/cursor_plugin.rs
@@ -216,10 +216,6 @@ mod tests {
     use super::*;
     use solitaire_core::card::{Card, Rank};
 
-    fn face_up(suit: Suit, rank: Rank) -> Card {
-        Card { id: 0, suit, rank, face_up: true }
-    }
-
     #[test]
     fn point_in_rect_center_is_inside() {
         assert!(point_in_rect(Vec2::ZERO, Vec2::ZERO, Vec2::new(10.0, 10.0)));
diff --git a/solitaire_engine/src/daily_challenge_plugin.rs b/solitaire_engine/src/daily_challenge_plugin.rs
index 9ac8213..c5d9e92 100644
--- a/solitaire_engine/src/daily_challenge_plugin.rs
+++ b/solitaire_engine/src/daily_challenge_plugin.rs
@@ -18,7 +18,7 @@ use chrono::{Local, NaiveDate};
 use solitaire_data::{daily_seed_for, save_progress_to};
 use solitaire_sync::ChallengeGoal;
 
-use crate::events::{GameWonEvent, NewGameRequestEvent, XpAwardedEvent};
+use crate::events::{GameWonEvent, InfoToastEvent, NewGameRequestEvent, XpAwardedEvent};
 use crate::game_plugin::GameMutation;
 use crate::progress_plugin::{ProgressResource, ProgressStoragePath, ProgressUpdate};
 use crate::resources::GameStateResource;
@@ -143,6 +143,7 @@ fn poll_server_challenge(
     }
 }
 
+#[allow(clippy::too_many_arguments)]
 fn handle_daily_completion(
     mut wins: EventReader<GameWonEvent>,
     daily: Res<DailyChallengeResource>,
@@ -151,6 +152,7 @@ fn handle_daily_completion(
     path: Res<ProgressStoragePath>,
     mut completed: EventWriter<DailyChallengeCompletedEvent>,
     mut xp_awarded: EventWriter<XpAwardedEvent>,
+    mut toast: EventWriter<InfoToastEvent>,
 ) {
     for ev in wins.read() {
         if game.0.seed != daily.seed {
@@ -182,6 +184,7 @@ fn handle_daily_completion(
             date: daily.date,
             streak: progress.0.daily_challenge_streak,
         });
+        toast.send(InfoToastEvent("Daily challenge complete! +100 XP".to_string()));
     }
 }
 
diff --git a/solitaire_engine/src/events.rs b/solitaire_engine/src/events.rs
index 711ea44..b1ccb50 100644
--- a/solitaire_engine/src/events.rs
+++ b/solitaire_engine/src/events.rs
@@ -56,6 +56,15 @@ pub struct GameWonEvent {
 #[derive(Event, Debug, Clone, Copy)]
 pub struct CardFlippedEvent(pub u32);
 
+/// Fired by the flip animation at its midpoint — the instant the card face
+/// becomes visible (scale.x crosses zero and the phase switches to ScalingUp).
+///
+/// Audio systems should listen to this event rather than `CardFlippedEvent`
+/// so the flip sound is synchronised with the visual reveal, not the move
+/// that triggered the animation.
+#[derive(Event, Debug, Clone, Copy)]
+pub struct CardFaceRevealedEvent(pub u32);
+
 /// Achievement unlocked notification carrying the full `AchievementRecord` for
 /// the newly unlocked achievement. Consumed by the toast renderer and any
 /// persistence/UI systems that need unlock metadata.
diff --git a/solitaire_engine/src/feedback_anim_plugin.rs b/solitaire_engine/src/feedback_anim_plugin.rs
index 0fdf7bf..cb7bc66 100644
--- a/solitaire_engine/src/feedback_anim_plugin.rs
+++ b/solitaire_engine/src/feedback_anim_plugin.rs
@@ -21,20 +21,31 @@
 //! When `NewGameRequestEvent` fires (on a fresh game, `move_count == 0`) or
 //! `NewGameConfirmEvent` fires, `start_deal_anim` reads `LayoutResource` and
 //! inserts a `CardAnim` on every card entity, sliding each card from the stock
-//! pile's position to its current (final) position with a per-card stagger of
-//! 0.04 s. `deal_stagger_delay` is a pure helper exposed for unit testing.
+//! pile's position to its current (final) position with a per-card stagger
+//! derived from the current `AnimSpeed` setting:
+//!
+//! | `AnimSpeed`   | Stagger           |
+//! |---------------|-------------------|
+//! | `Normal`      | 0.04 s (default)  |
+//! | `Fast`        | 0.02 s (half)     |
+//! | `Instant`     | 0.00 s (no delay) |
+//!
+//! `deal_stagger_delay` is a pure helper exposed for unit testing.
 
 use std::f32::consts::PI;
 
 use bevy::prelude::*;
 use solitaire_core::pile::PileType;
+use solitaire_data::AnimSpeed;
 
 use crate::animation_plugin::CardAnim;
 use crate::card_plugin::CardEntity;
 use crate::events::{MoveRejectedEvent, NewGameRequestEvent, StateChangedEvent};
 use crate::game_plugin::GameMutation;
 use crate::layout::LayoutResource;
+use crate::pause_plugin::PausedResource;
 use crate::resources::GameStateResource;
+use crate::settings_plugin::SettingsResource;
 
 // ---------------------------------------------------------------------------
 // Shared constants
@@ -114,17 +125,34 @@ pub fn settle_scale(elapsed: f32) -> f32 {
 }
 
 // ---------------------------------------------------------------------------
-// Task #69 — Stagger delay helper
+// Task #69 — Stagger delay helpers
 // ---------------------------------------------------------------------------
 
-/// Returns the stagger delay in seconds for card at position `index` during the
-/// deal animation.
+/// Returns the per-card stagger delay in seconds for the given `AnimSpeed`.
 ///
-/// `delay = index * DEAL_STAGGER_SECS`
+/// | `AnimSpeed`   | Returned value |
+/// |---------------|----------------|
+/// | `Normal`      | `DEAL_STAGGER_SECS` (0.04 s) |
+/// | `Fast`        | `DEAL_STAGGER_SECS / 2` (0.02 s) |
+/// | `Instant`     | `0.0` — all cards appear simultaneously |
 ///
 /// This is a pure function exposed for unit testing without Bevy.
-pub fn deal_stagger_delay(index: usize) -> f32 {
-    index as f32 * DEAL_STAGGER_SECS
+pub fn deal_stagger_secs_for_speed(speed: &AnimSpeed) -> f32 {
+    match speed {
+        AnimSpeed::Normal => DEAL_STAGGER_SECS,
+        AnimSpeed::Fast => DEAL_STAGGER_SECS / 2.0,
+        AnimSpeed::Instant => 0.0,
+    }
+}
+
+/// Returns the stagger delay in seconds for card at position `index` during the
+/// deal animation, given a per-card stagger interval.
+///
+/// `delay = index * stagger_secs`
+///
+/// This is a pure function exposed for unit testing without Bevy.
+pub fn deal_stagger_delay(index: usize, stagger_secs: f32) -> f32 {
+    index as f32 * stagger_secs
 }
 
 // ---------------------------------------------------------------------------
@@ -186,12 +214,16 @@ fn start_shake_anim(
 ///
 /// Applies `translation.x = shake_offset(elapsed, origin_x)`. When done,
 /// restores `translation.x = origin_x` so the card is left at its correct
-/// position.
+/// position. Skipped while the game is paused.
 fn tick_shake_anim(
     mut commands: Commands,
     time: Res<Time>,
+    paused: Option<Res<PausedResource>>,
     mut anims: Query<(Entity, &mut Transform, &mut ShakeAnim)>,
 ) {
+    if paused.is_some_and(|p| p.0) {
+        return;
+    }
     let dt = time.delta_secs();
     for (entity, mut transform, mut anim) in &mut anims {
         anim.elapsed += dt;
@@ -238,12 +270,16 @@ fn start_settle_anim(
 /// Advances `SettleAnim` each frame and removes it once the animation completes.
 ///
 /// Applies `transform.scale.y = settle_scale(elapsed)`. Restores scale to 1.0
-/// when done.
+/// when done. Skipped while the game is paused.
 fn tick_settle_anim(
     mut commands: Commands,
     time: Res<Time>,
+    paused: Option<Res<PausedResource>>,
     mut anims: Query<(Entity, &mut Transform, &mut SettleAnim)>,
 ) {
+    if paused.is_some_and(|p| p.0) {
+        return;
+    }
     let dt = time.delta_secs();
     for (entity, mut transform, mut anim) in &mut anims {
         anim.elapsed += dt;
@@ -262,14 +298,16 @@ fn tick_settle_anim(
 
 /// Inserts `CardAnim` on every card entity when a new game starts, sliding
 /// each card from the stock pile position to its final position with a
-/// per-card stagger of `DEAL_STAGGER_SECS`.
+/// per-card stagger derived from the current `AnimSpeed` setting.
 ///
 /// Triggered by `NewGameRequestEvent` (when the new game has `move_count == 0`)
 /// and fires the deal animation for every card entity currently in the world.
+/// The stagger is looked up from `SettingsResource` via `deal_stagger_secs_for_speed`.
 fn start_deal_anim(
     mut events: EventReader<NewGameRequestEvent>,
     layout: Option<Res<LayoutResource>>,
     game: Res<GameStateResource>,
+    settings: Option<Res<SettingsResource>>,
     card_entities: Query<(Entity, &Transform), With<CardEntity>>,
     mut commands: Commands,
 ) {
@@ -284,6 +322,11 @@ fn start_deal_anim(
     let Some(&stock_pos) = layout.0.pile_positions.get(&PileType::Stock) else { return };
     let stock_start = Vec3::new(stock_pos.x, stock_pos.y, 0.0);
 
+    let speed = settings.as_ref().map(|s| &s.0.animation_speed);
+    let stagger_secs = speed
+        .map(deal_stagger_secs_for_speed)
+        .unwrap_or(DEAL_STAGGER_SECS);
+
     for (index, (entity, transform)) in card_entities.iter().enumerate() {
         let final_pos = transform.translation;
         commands.entity(entity).insert((
@@ -293,7 +336,7 @@ fn start_deal_anim(
                 target: final_pos,
                 elapsed: 0.0,
                 duration: DEAL_SLIDE_SECS,
-                delay: deal_stagger_delay(index),
+                delay: deal_stagger_delay(index, stagger_secs),
             },
         ));
     }
@@ -359,17 +402,50 @@ mod tests {
 
     #[test]
     fn deal_stagger_delay_zero_index_is_zero() {
-        assert_eq!(deal_stagger_delay(0), 0.0);
+        assert_eq!(deal_stagger_delay(0, DEAL_STAGGER_SECS), 0.0);
     }
 
     #[test]
-    fn deal_stagger_delay_returns_index_times_constant() {
+    fn deal_stagger_delay_returns_index_times_stagger() {
+        let stagger = DEAL_STAGGER_SECS;
         for i in 0..52 {
-            let expected = i as f32 * DEAL_STAGGER_SECS;
-            let actual = deal_stagger_delay(i);
+            let expected = i as f32 * stagger;
+            let actual = deal_stagger_delay(i, stagger);
             assert!(
                 (actual - expected).abs() < 1e-6,
-                "deal_stagger_delay({i}) expected {expected}, got {actual}"
+                "deal_stagger_delay({i}, {stagger}) expected {expected}, got {actual}"
+            );
+        }
+    }
+
+    #[test]
+    fn deal_stagger_secs_normal_is_constant() {
+        assert!((deal_stagger_secs_for_speed(&AnimSpeed::Normal) - DEAL_STAGGER_SECS).abs() < 1e-6);
+    }
+
+    #[test]
+    fn deal_stagger_secs_fast_is_half_normal() {
+        let fast = deal_stagger_secs_for_speed(&AnimSpeed::Fast);
+        let normal = deal_stagger_secs_for_speed(&AnimSpeed::Normal);
+        assert!(
+            (fast - normal / 2.0).abs() < 1e-6,
+            "Fast stagger must be half of Normal, got fast={fast} normal={normal}"
+        );
+    }
+
+    #[test]
+    fn deal_stagger_secs_instant_is_zero() {
+        assert_eq!(deal_stagger_secs_for_speed(&AnimSpeed::Instant), 0.0);
+    }
+
+    #[test]
+    fn deal_stagger_delay_instant_is_always_zero() {
+        let stagger = deal_stagger_secs_for_speed(&AnimSpeed::Instant);
+        for i in 0..52 {
+            assert_eq!(
+                deal_stagger_delay(i, stagger),
+                0.0,
+                "Instant speed must produce zero delay for index {i}"
             );
         }
     }
diff --git a/solitaire_engine/src/game_plugin.rs b/solitaire_engine/src/game_plugin.rs
index f4325ea..ffe312d 100644
--- a/solitaire_engine/src/game_plugin.rs
+++ b/solitaire_engine/src/game_plugin.rs
@@ -15,8 +15,8 @@ use solitaire_data::{delete_game_state_at, game_state_file_path, load_game_state
     save_game_state_to};
 
 use crate::events::{
-    DrawRequestEvent, GameWonEvent, InfoToastEvent, MoveRequestEvent, NewGameRequestEvent,
-    StateChangedEvent, UndoRequestEvent,
+    CardFlippedEvent, DrawRequestEvent, GameWonEvent, InfoToastEvent, MoveRequestEvent,
+    NewGameRequestEvent, StateChangedEvent, UndoRequestEvent,
 };
 use crate::resources::{DragState, GameStateResource, SyncStatusResource};
 
@@ -317,10 +317,38 @@ fn handle_draw(
     mut draws: EventReader<DrawRequestEvent>,
     mut game: ResMut<GameStateResource>,
     mut changed: EventWriter<StateChangedEvent>,
+    mut flipped: EventWriter<CardFlippedEvent>,
 ) {
+    use solitaire_core::pile::PileType;
+
     for _ in draws.read() {
+        // Capture which cards are about to be drawn (top of the stock pile)
+        // so we can fire flip events after they land face-up in the waste.
+        // Only relevant when stock is non-empty; a recycle moves waste back to
+        // stock face-down, so no flip events are needed in that case.
+        let drawn_ids: Vec<u32> = {
+            let stock = game.0.piles.get(&PileType::Stock);
+            match stock {
+                Some(p) if !p.cards.is_empty() => {
+                    let draw_count = match game.0.draw_mode {
+                        DrawMode::DrawOne => 1_usize,
+                        DrawMode::DrawThree => 3_usize,
+                    };
+                    let n = p.cards.len();
+                    let take = n.min(draw_count);
+                    // The top `take` cards (at the end of the vec) will be drawn.
+                    p.cards[n - take..].iter().map(|c| c.id).collect()
+                }
+                _ => Vec::new(),
+            }
+        };
+
         match game.0.draw() {
             Ok(()) => {
+                // Fire a flip event for each card that moved from stock to waste.
+                for id in drawn_ids {
+                    flipped.send(CardFlippedEvent(id));
+                }
                 changed.send(StateChangedEvent);
             }
             Err(e) => warn!("draw rejected: {e}"),
@@ -383,12 +411,18 @@ fn handle_undo(
     mut undos: EventReader<UndoRequestEvent>,
     mut game: ResMut<GameStateResource>,
     mut changed: EventWriter<StateChangedEvent>,
+    mut toast: EventWriter<InfoToastEvent>,
 ) {
+    use solitaire_core::error::MoveError;
+
     for _ in undos.read() {
         match game.0.undo() {
             Ok(()) => {
                 changed.send(StateChangedEvent);
             }
+            Err(MoveError::UndoStackEmpty) => {
+                toast.send(InfoToastEvent("Nothing to undo".to_string()));
+            }
             Err(e) => warn!("undo rejected: {e}"),
         }
     }
@@ -509,7 +543,10 @@ fn check_no_moves(
     }
 }
 
-/// Spawns the full-screen game-over overlay with score display and action buttons.
+/// Spawns the full-screen game-over overlay with score display and action hints.
+///
+/// The background is intentionally semi-transparent (alpha 0.6) so the stuck
+/// card layout remains visible behind the dialog.
 fn spawn_game_over_screen(commands: &mut Commands, score: i32) {
     commands
         .spawn((
@@ -526,7 +563,7 @@ fn spawn_game_over_screen(commands: &mut Commands, score: i32) {
                 row_gap: Val::Px(20.0),
                 ..default()
             },
-            BackgroundColor(Color::srgba(0.0, 0.0, 0.0, 0.78)),
+            BackgroundColor(Color::srgba(0.0, 0.0, 0.0, 0.6)),
             ZIndex(200),
         ))
         .with_children(|root| {
@@ -543,9 +580,9 @@ fn spawn_game_over_screen(commands: &mut Commands, score: i32) {
                 BorderRadius::all(Val::Px(12.0)),
             ))
             .with_children(|card| {
-                // Title
+                // Header — explains why the overlay appeared.
                 card.spawn((
-                    Text::new("No More Moves"),
+                    Text::new("No more moves available"),
                     TextFont { font_size: 36.0, ..default() },
                     TextColor(Color::srgb(1.0, 0.4, 0.1)),
                 ));
@@ -555,23 +592,26 @@ fn spawn_game_over_screen(commands: &mut Commands, score: i32) {
                     TextFont { font_size: 24.0, ..default() },
                     TextColor(Color::WHITE),
                 ));
-                // Button row
-                card.spawn((Node {
-                    flex_direction: FlexDirection::Row,
-                    column_gap: Val::Px(24.0),
-                    margin: UiRect::top(Val::Px(8.0)),
-                    ..default()
-                },))
-                .with_children(|row| {
-                    row.spawn((
-                        Text::new("New Game (N)"),
+                // Action hints — stacked vertically for legibility.
+                card.spawn((
+                    Node {
+                        flex_direction: FlexDirection::Column,
+                        row_gap: Val::Px(8.0),
+                        margin: UiRect::top(Val::Px(8.0)),
+                        align_items: AlignItems::Center,
+                        ..default()
+                    },
+                ))
+                .with_children(|hints| {
+                    hints.spawn((
+                        Text::new("Press N or Escape for a new game"),
                         TextFont { font_size: 20.0, ..default() },
                         TextColor(Color::srgb(0.3, 1.0, 0.4)),
                     ));
-                    row.spawn((
-                        Text::new("Undo (U)"),
+                    hints.spawn((
+                        Text::new("Press G to forfeit (counts as a loss)"),
                         TextFont { font_size: 20.0, ..default() },
-                        TextColor(Color::srgb(0.6, 0.8, 1.0)),
+                        TextColor(Color::srgb(1.0, 0.6, 0.2)),
                     ));
                 });
             });
@@ -580,10 +620,10 @@ fn spawn_game_over_screen(commands: &mut Commands, score: i32) {
 
 /// Handles keyboard input while `GameOverScreen` is open.
 ///
-/// `N` fires `NewGameRequestEvent` (which will trigger the confirm dialog if
-/// moves have been made). `U` fires `UndoRequestEvent` and despawns the overlay
-/// — the `check_no_moves` system will re-show it on the next `StateChangedEvent`
-/// if the undo did not restore any legal moves.
+/// `N` or `Escape` fires `NewGameRequestEvent` (which will trigger the confirm
+/// dialog if moves have been made). `U` fires `UndoRequestEvent` and despawns
+/// the overlay — the `check_no_moves` system will re-show it on the next
+/// `StateChangedEvent` if the undo did not restore any legal moves.
 fn handle_game_over_input(
     mut commands: Commands,
     keys: Option<Res<ButtonInput<KeyCode>>>,
@@ -598,7 +638,7 @@ fn handle_game_over_input(
         return;
     };
 
-    if keys.just_pressed(KeyCode::KeyN) {
+    if keys.just_pressed(KeyCode::KeyN) || keys.just_pressed(KeyCode::Escape) {
         new_game.send(NewGameRequestEvent::default());
     } else if keys.just_pressed(KeyCode::KeyU) {
         for entity in &screens {
@@ -1171,4 +1211,166 @@ mod tests {
             .count();
         assert_eq!(count, 1, "GameOverScreen must appear when no legal moves exist");
     }
+
+    /// Verify that the game-over overlay contains the expected header text and
+    /// action-hint strings so players understand why the overlay appeared and
+    /// what keys to press.
+    #[test]
+    fn game_over_screen_text_content() {
+        use solitaire_core::card::{Card, Rank, Suit};
+
+        let mut app = test_app_with_input(1);
+
+        // Force a stuck state identical to `game_over_screen_spawns_when_stuck`.
+        {
+            let mut gs = app.world_mut().resource_mut::<GameStateResource>();
+            gs.0.piles.get_mut(&PileType::Stock).unwrap().cards.clear();
+            gs.0.piles.get_mut(&PileType::Waste).unwrap().cards.clear();
+            for suit in [Suit::Clubs, Suit::Diamonds, Suit::Hearts, Suit::Spades] {
+                gs.0.piles.get_mut(&PileType::Foundation(suit)).unwrap().cards.clear();
+            }
+            for i in 0..7_usize {
+                gs.0.piles.get_mut(&PileType::Tableau(i)).unwrap().cards.clear();
+            }
+            gs.0.piles.get_mut(&PileType::Tableau(0)).unwrap().cards.push(Card {
+                id: 1,
+                suit: Suit::Clubs,
+                rank: Rank::Two,
+                face_up: true,
+            });
+        }
+
+        app.world_mut().send_event(StateChangedEvent);
+        app.update();
+
+        // Collect all Text values that are children of the GameOverScreen entity tree.
+        let texts: Vec<String> = app
+            .world_mut()
+            .query::<&Text>()
+            .iter(app.world())
+            .map(|t| t.0.clone())
+            .collect();
+
+        assert!(
+            texts.iter().any(|t| t == "No more moves available"),
+            "header must read 'No more moves available'; found: {texts:?}"
+        );
+        assert!(
+            texts.iter().any(|t| t == "Press N or Escape for a new game"),
+            "hint 1 must read 'Press N or Escape for a new game'; found: {texts:?}"
+        );
+        assert!(
+            texts.iter().any(|t| t == "Press G to forfeit (counts as a loss)"),
+            "hint 2 must read 'Press G to forfeit (counts as a loss)'; found: {texts:?}"
+        );
+    }
+
+    // -----------------------------------------------------------------------
+    // Task #56 — Escape dismisses GameOverScreen and starts new game
+    // -----------------------------------------------------------------------
+
+    /// Pressing Escape while `GameOverScreen` is visible must fire
+    /// `NewGameRequestEvent` — identical behaviour to pressing N.
+    #[test]
+    fn escape_on_game_over_screen_fires_new_game_request() {
+        use solitaire_core::card::{Card, Rank, Suit};
+
+        let mut app = test_app_with_input(1);
+
+        // Force a stuck state so GameOverScreen spawns.
+        {
+            let mut gs = app.world_mut().resource_mut::<GameStateResource>();
+            gs.0.piles.get_mut(&PileType::Stock).unwrap().cards.clear();
+            gs.0.piles.get_mut(&PileType::Waste).unwrap().cards.clear();
+            for suit in [Suit::Clubs, Suit::Diamonds, Suit::Hearts, Suit::Spades] {
+                gs.0.piles.get_mut(&PileType::Foundation(suit)).unwrap().cards.clear();
+            }
+            for i in 0..7_usize {
+                gs.0.piles.get_mut(&PileType::Tableau(i)).unwrap().cards.clear();
+            }
+            gs.0.piles.get_mut(&PileType::Tableau(0)).unwrap().cards.push(Card {
+                id: 1,
+                suit: Suit::Clubs,
+                rank: Rank::Two,
+                face_up: true,
+            });
+        }
+        app.world_mut().send_event(StateChangedEvent);
+        app.update();
+
+        // Confirm the overlay is present.
+        assert_eq!(
+            app.world_mut()
+                .query::<&GameOverScreen>()
+                .iter(app.world())
+                .count(),
+            1,
+            "GameOverScreen must be present before pressing Escape"
+        );
+
+        // Clear the NewGameRequestEvent queue so we start with a clean slate.
+        app.world_mut().resource_mut::<Events<NewGameRequestEvent>>().clear();
+
+        // Simulate Escape press.
+        {
+            let mut input = app.world_mut().resource_mut::<ButtonInput<KeyCode>>();
+            input.clear();
+            input.press(KeyCode::Escape);
+        }
+        app.update();
+
+        // NewGameRequestEvent must have been fired.
+        let events = app.world().resource::<Events<NewGameRequestEvent>>();
+        let mut reader = events.get_cursor();
+        assert!(
+            reader.read(events).next().is_some(),
+            "Escape on GameOverScreen must fire NewGameRequestEvent"
+        );
+    }
+
+    // -----------------------------------------------------------------------
+    // Task #48 — Undo with empty stack fires InfoToastEvent
+    // -----------------------------------------------------------------------
+
+    /// Sending `UndoRequestEvent` on a fresh game (empty undo stack) must fire
+    /// exactly one `InfoToastEvent` with the message "Nothing to undo".
+    #[test]
+    fn undo_on_empty_stack_fires_info_toast() {
+        let mut app = test_app(42);
+        // Fresh game — undo stack is empty, so undo() returns UndoStackEmpty.
+        app.world_mut().send_event(UndoRequestEvent);
+        app.update();
+
+        let events = app.world().resource::<Events<InfoToastEvent>>();
+        let mut reader = events.get_cursor();
+        let fired: Vec<_> = reader.read(events).collect();
+        assert_eq!(fired.len(), 1, "exactly one InfoToastEvent must fire on empty-stack undo");
+        assert_eq!(
+            fired[0].0,
+            "Nothing to undo",
+            "toast message must be 'Nothing to undo'"
+        );
+    }
+
+    /// A successful undo must NOT fire an `InfoToastEvent`.
+    #[test]
+    fn undo_after_draw_does_not_fire_info_toast() {
+        let mut app = test_app(42);
+        // Make a move so the undo stack is non-empty.
+        app.world_mut().send_event(DrawRequestEvent);
+        app.update();
+        // Clear events from the draw so we start with a clean slate.
+        app.world_mut().resource_mut::<Events<InfoToastEvent>>().clear();
+
+        app.world_mut().send_event(UndoRequestEvent);
+        app.update();
+
+        let events = app.world().resource::<Events<InfoToastEvent>>();
+        let mut reader = events.get_cursor();
+        let fired: Vec<_> = reader.read(events).collect();
+        assert!(
+            fired.is_empty(),
+            "no InfoToastEvent must fire on a successful undo"
+        );
+    }
 }
diff --git a/solitaire_engine/src/help_plugin.rs b/solitaire_engine/src/help_plugin.rs
index cdd7b28..6a2bdef 100644
--- a/solitaire_engine/src/help_plugin.rs
+++ b/solitaire_engine/src/help_plugin.rs
@@ -1,6 +1,6 @@
 //! Toggleable on-screen help / cheat sheet showing keyboard bindings.
 //!
-//! Press **H** (or `?`) to toggle. Listed shortcuts are grouped by intent —
+//! Press **F1** to toggle. Listed shortcuts are grouped by intent —
 //! gameplay, modes, and overlays.
 
 use bevy::prelude::*;
@@ -22,8 +22,7 @@ fn toggle_help_screen(
     keys: Res<ButtonInput<KeyCode>>,
     screens: Query<Entity, With<HelpScreen>>,
 ) {
-    let pressed_help = keys.just_pressed(KeyCode::KeyH) || keys.just_pressed(KeyCode::Slash);
-    if !pressed_help {
+    if !keys.just_pressed(KeyCode::F1) {
         return;
     }
     if let Ok(entity) = screens.get_single() {
@@ -55,11 +54,12 @@ fn spawn_help_screen(commands: &mut Commands) {
         "  A            Achievements".to_string(),
         "  L            Leaderboard".to_string(),
         "  O            Settings".to_string(),
-        "  H or ?       This help screen".to_string(),
+        "  F1            This help screen".to_string(),
+        "  F11           Toggle fullscreen".to_string(),
         "  Esc          Pause / resume".to_string(),
         "  [ / ]        SFX volume down / up".to_string(),
         String::new(),
-        "Press H or ? to close".to_string(),
+        "Press F1 to close".to_string(),
     ];
 
     commands
@@ -107,11 +107,11 @@ mod tests {
     }
 
     #[test]
-    fn pressing_h_spawns_help_screen() {
+    fn pressing_f1_spawns_help_screen() {
         let mut app = headless_app();
         app.world_mut()
             .resource_mut::<ButtonInput<KeyCode>>()
-            .press(KeyCode::KeyH);
+            .press(KeyCode::F1);
         app.update();
 
         assert_eq!(
@@ -124,18 +124,18 @@ mod tests {
     }
 
     #[test]
-    fn pressing_h_twice_closes_help_screen() {
+    fn pressing_f1_twice_closes_help_screen() {
         let mut app = headless_app();
         app.world_mut()
             .resource_mut::<ButtonInput<KeyCode>>()
-            .press(KeyCode::KeyH);
+            .press(KeyCode::F1);
         app.update();
 
         {
             let mut input = app.world_mut().resource_mut::<ButtonInput<KeyCode>>();
-            input.release(KeyCode::KeyH);
+            input.release(KeyCode::F1);
             input.clear();
-            input.press(KeyCode::KeyH);
+            input.press(KeyCode::F1);
         }
         app.update();
 
@@ -147,21 +147,4 @@ mod tests {
             0
         );
     }
-
-    #[test]
-    fn pressing_slash_also_toggles_help() {
-        let mut app = headless_app();
-        app.world_mut()
-            .resource_mut::<ButtonInput<KeyCode>>()
-            .press(KeyCode::Slash);
-        app.update();
-
-        assert_eq!(
-            app.world_mut()
-                .query::<&HelpScreen>()
-                .iter(app.world())
-                .count(),
-            1
-        );
-    }
 }
diff --git a/solitaire_engine/src/home_plugin.rs b/solitaire_engine/src/home_plugin.rs
new file mode 100644
index 0000000..1d307a4
--- /dev/null
+++ b/solitaire_engine/src/home_plugin.rs
@@ -0,0 +1,236 @@
+//! Toggleable main menu overlay showing the current game mode and a full
+//! keyboard shortcut reference.
+//!
+//! Press **M** to open or close the overlay.
+
+use bevy::input::ButtonInput;
+use bevy::prelude::*;
+use solitaire_core::game_state::GameMode;
+
+use crate::resources::GameStateResource;
+
+/// Marker component on the home-menu overlay root node.
+#[derive(Component, Debug)]
+pub struct HomeScreen;
+
+/// Registers the M-key toggle and the overlay spawn/despawn logic.
+pub struct HomePlugin;
+
+impl Plugin for HomePlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(Update, toggle_home_screen);
+    }
+}
+
+fn toggle_home_screen(
+    mut commands: Commands,
+    keys: Res<ButtonInput<KeyCode>>,
+    game: Res<GameStateResource>,
+    screens: Query<Entity, With<HomeScreen>>,
+) {
+    if !keys.just_pressed(KeyCode::KeyM) {
+        return;
+    }
+    if let Ok(entity) = screens.get_single() {
+        commands.entity(entity).despawn_recursive();
+    } else {
+        spawn_home_screen(&mut commands, &game);
+    }
+}
+
+/// Spawns the full-window home-menu overlay derived from the current `game` state.
+fn spawn_home_screen(commands: &mut Commands, game: &GameStateResource) {
+    let mode_label = match game.0.mode {
+        GameMode::Classic => "Classic",
+        GameMode::Zen => "Zen",
+        GameMode::Challenge => "Challenge",
+        GameMode::TimeAttack => "Time Attack",
+    };
+
+    commands
+        .spawn((
+            HomeScreen,
+            Node {
+                position_type: PositionType::Absolute,
+                left: Val::Percent(0.0),
+                top: Val::Percent(0.0),
+                width: Val::Percent(100.0),
+                height: Val::Percent(100.0),
+                flex_direction: FlexDirection::Column,
+                justify_content: JustifyContent::FlexStart,
+                align_items: AlignItems::Center,
+                row_gap: Val::Px(6.0),
+                padding: UiRect::all(Val::Px(24.0)),
+                overflow: Overflow::clip(),
+                ..default()
+            },
+            BackgroundColor(Color::srgba(0.0, 0.0, 0.0, 0.88)),
+            ZIndex(200),
+        ))
+        .with_children(|root| {
+            // Title
+            root.spawn((
+                Text::new("Solitaire Quest"),
+                TextFont { font_size: 48.0, ..default() },
+                TextColor(Color::srgb(1.0, 0.85, 0.3)),
+            ));
+
+            // Mode subtitle
+            root.spawn((
+                Text::new(format!("Current mode: {mode_label}")),
+                TextFont { font_size: 28.0, ..default() },
+                TextColor(Color::srgb(0.8, 0.8, 0.8)),
+            ));
+
+            // Spacer
+            root.spawn(Node {
+                height: Val::Px(8.0),
+                ..default()
+            });
+
+            // "Game Controls" section header
+            root.spawn((
+                Text::new("Game Controls"),
+                TextFont { font_size: 22.0, ..default() },
+                TextColor(Color::srgb(0.9, 0.9, 0.9)),
+            ));
+
+            spawn_shortcut_row(root, "N", "New game  (N again confirms)");
+            spawn_shortcut_row(root, "U", "Undo last move");
+            spawn_shortcut_row(root, "Space / D", "Draw from stock");
+            spawn_shortcut_row(root, "G", "Forfeit current game");
+            spawn_shortcut_row(root, "Tab", "Cycle hint highlight");
+            spawn_shortcut_row(root, "Enter", "Auto-complete if available");
+
+            // Spacer
+            root.spawn(Node {
+                height: Val::Px(8.0),
+                ..default()
+            });
+
+            // "Screens" section header
+            root.spawn((
+                Text::new("Screens"),
+                TextFont { font_size: 22.0, ..default() },
+                TextColor(Color::srgb(0.9, 0.9, 0.9)),
+            ));
+
+            spawn_shortcut_row(root, "M", "Main menu (this screen)");
+            spawn_shortcut_row(root, "S", "Statistics");
+            spawn_shortcut_row(root, "A", "Achievements");
+            spawn_shortcut_row(root, "O", "Settings");
+            spawn_shortcut_row(root, "P", "Profile");
+            spawn_shortcut_row(root, "F1", "Help");
+            spawn_shortcut_row(root, "F11", "Toggle fullscreen");
+            spawn_shortcut_row(root, "Esc", "Pause / Resume");
+
+            // Spacer
+            root.spawn(Node {
+                height: Val::Px(16.0),
+                ..default()
+            });
+
+            // Dismiss hint
+            root.spawn((
+                Text::new("Press M to close"),
+                TextFont { font_size: 16.0, ..default() },
+                TextColor(Color::srgb(0.55, 0.55, 0.55)),
+            ));
+        });
+}
+
+fn spawn_shortcut_row(parent: &mut ChildBuilder, key: &str, action: &str) {
+    parent
+        .spawn(Node {
+            flex_direction: FlexDirection::Row,
+            align_items: AlignItems::Center,
+            min_width: Val::Px(380.0),
+            column_gap: Val::Px(16.0),
+            ..default()
+        })
+        .with_children(|row| {
+            row.spawn((
+                Text::new(key.to_string()),
+                TextFont { font_size: 16.0, ..default() },
+                TextColor(Color::srgb(1.0, 0.85, 0.4)),
+                Node {
+                    min_width: Val::Px(120.0),
+                    ..default()
+                },
+            ));
+            row.spawn((
+                Text::new(action.to_string()),
+                TextFont { font_size: 16.0, ..default() },
+                TextColor(Color::srgb(0.85, 0.85, 0.85)),
+            ));
+        });
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::game_plugin::GamePlugin;
+    use crate::table_plugin::TablePlugin;
+
+    fn headless_app() -> App {
+        let mut app = App::new();
+        app.add_plugins(MinimalPlugins)
+            .add_plugins(GamePlugin)
+            .add_plugins(TablePlugin)
+            .add_plugins(HomePlugin);
+        app.init_resource::<ButtonInput<KeyCode>>();
+        app.update();
+        app
+    }
+
+    #[test]
+    fn pressing_m_spawns_home_screen() {
+        let mut app = headless_app();
+        assert_eq!(
+            app.world_mut()
+                .query::<&HomeScreen>()
+                .iter(app.world())
+                .count(),
+            0
+        );
+
+        app.world_mut()
+            .resource_mut::<ButtonInput<KeyCode>>()
+            .press(KeyCode::KeyM);
+        app.update();
+
+        assert_eq!(
+            app.world_mut()
+                .query::<&HomeScreen>()
+                .iter(app.world())
+                .count(),
+            1
+        );
+    }
+
+    #[test]
+    fn pressing_m_twice_closes_home_screen() {
+        let mut app = headless_app();
+
+        app.world_mut()
+            .resource_mut::<ButtonInput<KeyCode>>()
+            .press(KeyCode::KeyM);
+        app.update();
+
+        {
+            let mut input = app.world_mut().resource_mut::<ButtonInput<KeyCode>>();
+            input.release(KeyCode::KeyM);
+            input.clear();
+            input.press(KeyCode::KeyM);
+        }
+        app.update();
+
+        assert_eq!(
+            app.world_mut()
+                .query::<&HomeScreen>()
+                .iter(app.world())
+                .count(),
+            0
+        );
+    }
+}
diff --git a/solitaire_engine/src/hud_plugin.rs b/solitaire_engine/src/hud_plugin.rs
index 28e7a58..2485242 100644
--- a/solitaire_engine/src/hud_plugin.rs
+++ b/solitaire_engine/src/hud_plugin.rs
@@ -7,13 +7,16 @@
 //! without a separate tick system.
 
 use bevy::prelude::*;
+use solitaire_core::card::Suit;
 use solitaire_core::game_state::{DrawMode, GameMode};
+use solitaire_core::pile::PileType;
 
 use crate::auto_complete_plugin::AutoCompleteState;
 use crate::daily_challenge_plugin::DailyChallengeResource;
 use crate::events::InfoToastEvent;
 use crate::game_plugin::GameMutation;
 use crate::resources::GameStateResource;
+use crate::selection_plugin::SelectionState;
 use crate::time_attack_plugin::TimeAttackResource;
 
 /// Marker on the score text node.
@@ -53,6 +56,33 @@ pub struct HudUndos;
 #[derive(Component, Debug)]
 pub struct HudAutoComplete;
 
+/// Marker on the stock-recycle counter text node.
+///
+/// Displays `"Recycles: N"` whenever `recycle_count > 0`, regardless of draw
+/// mode, so the player can track stock recycling in both Draw-One and
+/// Draw-Three (relevant to the `comeback` achievement). Hidden (empty string)
+/// until the first recycle occurs.
+#[derive(Component, Debug)]
+pub struct HudRecycles;
+
+/// Marker on the draw-cycle indicator text node.
+///
+/// Only shown in Draw-Three mode. Displays `"Cycle: N/3"` where N is the
+/// number of cards that will be drawn on the next stock click
+/// (`min(stock_len, 3)`). Shows `"Cycle: 0/3"` when the stock is empty
+/// (recycle available). Hidden (empty string) in Draw-One mode or after the
+/// game is won.
+#[derive(Component, Debug)]
+pub struct HudDrawCycle;
+
+/// Marker on the keyboard-selection indicator text node.
+///
+/// Displays `"▶ {pile_name}"` while a pile is selected via Tab, or an empty
+/// string when no pile is selected. Uses a light-yellow colour so it stands
+/// out from the other white HUD items.
+#[derive(Component, Debug)]
+pub struct HudSelection;
+
 /// HUD Z-layer — above cards (which start at z=0) but below overlay screens.
 const Z_HUD: i32 = 50;
 
@@ -62,7 +92,8 @@ impl Plugin for HudPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, spawn_hud)
             .add_systems(Update, update_hud.after(GameMutation))
-            .add_systems(Update, announce_auto_complete.after(GameMutation));
+            .add_systems(Update, announce_auto_complete.after(GameMutation))
+            .add_systems(Update, update_selection_hud);
     }
 }
 
@@ -103,7 +134,7 @@ fn spawn_hud(mut commands: Commands) {
             b.spawn((
                 HudUndos,
                 Text::new(""),
-                font,
+                font.clone(),
                 white,
             ));
             // Auto-complete badge (green "AUTO" when sequence is running).
@@ -113,6 +144,27 @@ fn spawn_hud(mut commands: Commands) {
                 TextFont { font_size: 17.0, ..default() },
                 TextColor(Color::srgb(0.2, 0.9, 0.3)),
             ));
+            // Recycle counter — hidden until the first recycle in either draw mode.
+            b.spawn((
+                HudRecycles,
+                Text::new(""),
+                font.clone(),
+                white,
+            ));
+            // Draw-cycle indicator — only visible in Draw-Three mode.
+            b.spawn((
+                HudDrawCycle,
+                Text::new(""),
+                font,
+                TextColor(Color::srgb(0.7, 0.85, 1.0)),
+            ));
+            // Keyboard-selection indicator — shows which pile is Tab-selected.
+            b.spawn((
+                HudSelection,
+                Text::new(""),
+                TextFont { font_size: 17.0, ..default() },
+                TextColor(Color::srgb(1.0, 1.0, 0.5)),
+            ));
         });
 }
 
@@ -141,6 +193,9 @@ fn update_hud(
             Without<HudChallenge>,
             Without<HudUndos>,
             Without<HudAutoComplete>,
+            Without<HudRecycles>,
+            Without<HudDrawCycle>,
+            Without<HudSelection>,
         ),
     >,
     mut moves_q: Query<
@@ -153,6 +208,9 @@ fn update_hud(
             Without<HudChallenge>,
             Without<HudUndos>,
             Without<HudAutoComplete>,
+            Without<HudRecycles>,
+            Without<HudDrawCycle>,
+            Without<HudSelection>,
         ),
     >,
     mut time_q: Query<
@@ -165,6 +223,9 @@ fn update_hud(
             Without<HudChallenge>,
             Without<HudUndos>,
             Without<HudAutoComplete>,
+            Without<HudRecycles>,
+            Without<HudDrawCycle>,
+            Without<HudSelection>,
         ),
     >,
     mut mode_q: Query<
@@ -177,6 +238,9 @@ fn update_hud(
             Without<HudChallenge>,
             Without<HudUndos>,
             Without<HudAutoComplete>,
+            Without<HudRecycles>,
+            Without<HudDrawCycle>,
+            Without<HudSelection>,
         ),
     >,
     mut challenge_q: Query<
@@ -189,6 +253,9 @@ fn update_hud(
             Without<HudMode>,
             Without<HudUndos>,
             Without<HudAutoComplete>,
+            Without<HudRecycles>,
+            Without<HudDrawCycle>,
+            Without<HudSelection>,
         ),
     >,
     mut undos_q: Query<
@@ -201,6 +268,9 @@ fn update_hud(
             Without<HudMode>,
             Without<HudChallenge>,
             Without<HudAutoComplete>,
+            Without<HudRecycles>,
+            Without<HudDrawCycle>,
+            Without<HudSelection>,
         ),
     >,
     mut auto_q: Query<
@@ -213,6 +283,39 @@ fn update_hud(
             Without<HudMode>,
             Without<HudChallenge>,
             Without<HudUndos>,
+            Without<HudRecycles>,
+            Without<HudDrawCycle>,
+            Without<HudSelection>,
+        ),
+    >,
+    mut recycles_q: Query<
+        &mut Text,
+        (
+            With<HudRecycles>,
+            Without<HudScore>,
+            Without<HudMoves>,
+            Without<HudTime>,
+            Without<HudMode>,
+            Without<HudChallenge>,
+            Without<HudUndos>,
+            Without<HudAutoComplete>,
+            Without<HudDrawCycle>,
+            Without<HudSelection>,
+        ),
+    >,
+    mut draw_cycle_q: Query<
+        &mut Text,
+        (
+            With<HudDrawCycle>,
+            Without<HudScore>,
+            Without<HudMoves>,
+            Without<HudTime>,
+            Without<HudMode>,
+            Without<HudChallenge>,
+            Without<HudUndos>,
+            Without<HudAutoComplete>,
+            Without<HudRecycles>,
+            Without<HudSelection>,
         ),
     >,
 ) {
@@ -245,16 +348,19 @@ fn update_hud(
             };
         }
 
-        // --- Daily challenge constraint ---
-        if let Ok((mut t, _)) = challenge_q.get_single_mut() {
-            **t = if g.is_won {
-                // Hide constraint once the game is over.
-                String::new()
+        // --- Daily challenge constraint (with time-low colour warning) ---
+        if let Ok((mut t, mut color)) = challenge_q.get_single_mut() {
+            if g.is_won {
+                **t = String::new();
             } else if let Some(dc) = daily.as_deref() {
-                challenge_hud_text(dc)
+                **t = challenge_hud_text(dc);
+                if let Some(max_secs) = dc.max_time_secs {
+                    let remaining = max_secs.saturating_sub(g.elapsed_seconds);
+                    *color = TextColor(challenge_time_color(remaining));
+                }
             } else {
-                String::new()
-            };
+                **t = String::new();
+            }
         }
 
         // --- Undo count ---
@@ -269,10 +375,32 @@ fn update_hud(
                 *color = TextColor(Color::srgb(1.0, 0.7, 0.2));
             }
         }
+
+        // --- Recycle counter (both modes, hidden until first recycle) ---
+        if let Ok(mut t) = recycles_q.get_single_mut() {
+            **t = if g.recycle_count > 0 {
+                format!("Recycles: {}", g.recycle_count)
+            } else {
+                String::new()
+            };
+        }
+
+        // --- Draw-cycle indicator (Draw-Three mode only) ---
+        if let Ok(mut t) = draw_cycle_q.get_single_mut() {
+            **t = if g.is_won || g.draw_mode != DrawMode::DrawThree {
+                // Hide when not in Draw-Three or after the game is won.
+                String::new()
+            } else {
+                let stock_len = g.piles[&solitaire_core::pile::PileType::Stock].cards.len();
+                let next_draw = stock_len.min(3);
+                format!("Cycle: {next_draw}/3")
+            };
+        }
     }
 
     // Time display: show Time Attack countdown every frame when active;
-    // Zen mode suppresses the timer per spec ("No timer").
+    // Zen mode suppresses the timer per spec ("No timer") — cleared unconditionally
+    // every frame so it disappears immediately on the frame Z is pressed.
     // Otherwise show game elapsed time (updates once per second via game.is_changed()).
     let is_zen = game.0.mode == GameMode::Zen;
     let update_time = (ta_active || game.is_changed()) && !is_zen;
@@ -290,8 +418,10 @@ fn update_hud(
                 **t = format!("{m}:{s:02}");
             }
         }
-    } else if is_zen && game.is_changed() {
-        // Clear the time display when entering Zen mode.
+    } else if is_zen {
+        // Clear the time display immediately whenever Zen mode is active —
+        // do not guard on game.is_changed() so it clears on the same frame
+        // the player presses Z, before any move is made.
         if let Ok(mut t) = time_q.get_single_mut() {
             **t = String::new();
         }
@@ -312,6 +442,34 @@ fn update_hud(
     }
 }
 
+/// Updates the `HudSelection` text node to show which pile is Tab-selected.
+///
+/// Displays `"▶ {pile_name}"` while `SelectionState::selected_pile` is `Some`,
+/// or an empty string when no pile is selected. Runs every frame so the
+/// indicator stays in sync with the selection resource.
+fn update_selection_hud(
+    selection: Option<Res<SelectionState>>,
+    mut q: Query<&mut Text, With<HudSelection>>,
+) {
+    let Ok(mut t) = q.get_single_mut() else { return };
+    let label = match selection.as_deref().and_then(|s| s.selected_pile.as_ref()) {
+        None => String::new(),
+        Some(PileType::Waste) => "▶ Waste".to_string(),
+        Some(PileType::Stock) => "▶ Stock".to_string(),
+        Some(PileType::Foundation(suit)) => {
+            let s = match suit {
+                Suit::Clubs => "Clubs",
+                Suit::Diamonds => "Diamonds",
+                Suit::Hearts => "Hearts",
+                Suit::Spades => "Spades",
+            };
+            format!("▶ {s} Foundation")
+        }
+        Some(PileType::Tableau(idx)) => format!("▶ Column {}", idx + 1),
+    };
+    **t = label;
+}
+
 /// Fires `InfoToastEvent("Auto-completing...")` exactly once each time
 /// `AutoCompleteState` transitions from inactive to active. Uses a `Local<bool>`
 /// to debounce so the toast only appears on the leading edge.
@@ -342,6 +500,23 @@ fn challenge_hud_text(dc: &DailyChallengeResource) -> String {
     }
 }
 
+/// Returns the colour for the challenge time-limit HUD label based on seconds remaining.
+///
+/// | Remaining   | Colour |
+/// |-------------|--------|
+/// | ≥ 60 s      | Cyan (default) |
+/// | 30 – 59 s   | Orange (warning) |
+/// | < 30 s      | Red (urgent) |
+pub fn challenge_time_color(remaining: u64) -> Color {
+    if remaining < 30 {
+        Color::srgb(1.0, 0.2, 0.2)
+    } else if remaining < 60 {
+        Color::srgb(1.0, 0.6, 0.0)
+    } else {
+        Color::srgb(0.4, 0.9, 1.0)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -488,6 +663,42 @@ mod tests {
         assert_eq!(challenge_hud_text(&dc), "");
     }
 
+    #[test]
+    fn challenge_time_color_above_60_is_cyan() {
+        let c = challenge_time_color(61);
+        assert_eq!(c, Color::srgb(0.4, 0.9, 1.0));
+    }
+
+    #[test]
+    fn challenge_time_color_exactly_60_is_cyan() {
+        let c = challenge_time_color(60);
+        assert_eq!(c, Color::srgb(0.4, 0.9, 1.0));
+    }
+
+    #[test]
+    fn challenge_time_color_59_is_orange() {
+        let c = challenge_time_color(59);
+        assert_eq!(c, Color::srgb(1.0, 0.6, 0.0));
+    }
+
+    #[test]
+    fn challenge_time_color_30_is_orange() {
+        let c = challenge_time_color(30);
+        assert_eq!(c, Color::srgb(1.0, 0.6, 0.0));
+    }
+
+    #[test]
+    fn challenge_time_color_29_is_red() {
+        let c = challenge_time_color(29);
+        assert_eq!(c, Color::srgb(1.0, 0.2, 0.2));
+    }
+
+    #[test]
+    fn challenge_time_color_zero_is_red() {
+        let c = challenge_time_color(0);
+        assert_eq!(c, Color::srgb(1.0, 0.2, 0.2));
+    }
+
     // -----------------------------------------------------------------------
     // HudChallenge in-app tests
     // -----------------------------------------------------------------------
@@ -599,4 +810,49 @@ mod tests {
         app.update();
         assert_eq!(read_hud_text::<HudAutoComplete>(&mut app), "");
     }
+
+    // -----------------------------------------------------------------------
+    // HudRecycles in-app tests
+    // -----------------------------------------------------------------------
+
+    #[test]
+    fn recycles_hud_hidden_when_zero_in_draw_one_mode() {
+        let mut app = headless_app();
+        // Draw-One, no recycles yet — text must be empty.
+        app.world_mut().resource_mut::<GameStateResource>().0 =
+            GameState::new(42, DrawMode::DrawOne);
+        app.update();
+        assert_eq!(read_hud_text::<HudRecycles>(&mut app), "");
+    }
+
+    #[test]
+    fn recycles_hud_hidden_when_zero_in_draw_three_mode() {
+        let mut app = headless_app();
+        // Draw-Three, no recycles yet — text must also be empty.
+        app.world_mut().resource_mut::<GameStateResource>().0 =
+            GameState::new(42, DrawMode::DrawThree);
+        app.update();
+        assert_eq!(read_hud_text::<HudRecycles>(&mut app), "");
+    }
+
+    #[test]
+    fn recycles_hud_shows_count_draw_three() {
+        let mut app = headless_app();
+        let mut gs = GameState::new(42, DrawMode::DrawThree);
+        gs.recycle_count = 3;
+        app.world_mut().resource_mut::<GameStateResource>().0 = gs;
+        app.update();
+        assert_eq!(read_hud_text::<HudRecycles>(&mut app), "Recycles: 3");
+    }
+
+    #[test]
+    fn recycles_hud_shows_count_draw_one() {
+        let mut app = headless_app();
+        // Draw-One with recycle_count > 0 must now show the counter too.
+        let mut gs = GameState::new(42, DrawMode::DrawOne);
+        gs.recycle_count = 2;
+        app.world_mut().resource_mut::<GameStateResource>().0 = gs;
+        app.update();
+        assert_eq!(read_hud_text::<HudRecycles>(&mut app), "Recycles: 2");
+    }
 }
diff --git a/solitaire_engine/src/input_plugin.rs b/solitaire_engine/src/input_plugin.rs
index b881258..9e19ac1 100644
--- a/solitaire_engine/src/input_plugin.rs
+++ b/solitaire_engine/src/input_plugin.rs
@@ -5,7 +5,7 @@
 //!
 //! Keyboard:
 //! - `U` → `UndoRequestEvent`
-//! - `N` → `NewGameRequestEvent { seed: None }`
+//! - `N` → `NewGameRequestEvent { seed: None }` (cancels Time Attack if active)
 //! - `D` / `Space` → `DrawRequestEvent`
 //! - `Esc` → handled by `PausePlugin` (overlay toggle + paused flag)
 //!
@@ -18,6 +18,7 @@
 
 use std::collections::HashMap;
 
+use bevy::ecs::system::SystemParam;
 use bevy::input::ButtonInput;
 use bevy::math::{Vec2, Vec3};
 use bevy::prelude::*;
@@ -28,6 +29,7 @@ use solitaire_core::pile::PileType;
 use solitaire_core::rules::{can_place_on_foundation, can_place_on_tableau};
 
 use crate::card_plugin::{CardEntity, HintHighlight, TABLEAU_FAN_FRAC};
+use crate::feedback_anim_plugin::ShakeAnim;
 use solitaire_core::game_state::DrawMode;
 use crate::challenge_plugin::CHALLENGE_UNLOCK_LEVEL;
 use crate::events::{
@@ -38,7 +40,8 @@ use crate::game_plugin::GameMutation;
 use crate::pause_plugin::PausedResource;
 use crate::progress_plugin::ProgressResource;
 use crate::layout::{Layout, LayoutResource};
-use crate::resources::{DragState, GameStateResource};
+use crate::resources::{DragState, GameStateResource, HintCycleIndex};
+use crate::time_attack_plugin::TimeAttackResource;
 
 /// Z-depth used for cards while being dragged — above all resting cards.
 const DRAG_Z: f32 = 500.0;
@@ -54,7 +57,8 @@ pub struct InputPlugin;
 
 impl Plugin for InputPlugin {
     fn build(&self, app: &mut App) {
-        app.add_event::<NewGameConfirmEvent>()
+        app.init_resource::<HintCycleIndex>()
+            .add_event::<NewGameConfirmEvent>()
             .add_event::<InfoToastEvent>()
             .add_event::<ForfeitEvent>()
             .add_systems(
@@ -69,13 +73,29 @@ impl Plugin for InputPlugin {
                 )
                     .chain(),
             )
-            .add_systems(Update, handle_fullscreen);
+            .add_systems(Update, handle_fullscreen)
+            .add_systems(Update, reset_hint_cycle_on_state_change);
     }
 }
 
 /// Seconds after the first N press during which a second N confirms new game.
 const NEW_GAME_CONFIRM_WINDOW: f32 = 3.0;
 
+/// Seconds after the first G press during which a second G confirms forfeit.
+const FORFEIT_CONFIRM_WINDOW: f32 = 3.0;
+
+/// Bundles all event writers used by `handle_keyboard` so the system stays
+/// within Bevy's 16-parameter limit.
+#[derive(SystemParam)]
+struct KeyboardEvents<'w> {
+    undo: EventWriter<'w, UndoRequestEvent>,
+    new_game: EventWriter<'w, NewGameRequestEvent>,
+    confirm_event: EventWriter<'w, NewGameConfirmEvent>,
+    info_toast: EventWriter<'w, InfoToastEvent>,
+    draw: EventWriter<'w, DrawRequestEvent>,
+    forfeit: EventWriter<'w, ForfeitEvent>,
+}
+
 #[allow(clippy::too_many_arguments)]
 fn handle_keyboard(
     keys: Res<ButtonInput<KeyCode>>,
@@ -84,15 +104,14 @@ fn handle_keyboard(
     game: Option<Res<GameStateResource>>,
     time: Res<Time>,
     mut confirm_countdown: Local<f32>,
-    mut undo: EventWriter<UndoRequestEvent>,
-    mut new_game: EventWriter<NewGameRequestEvent>,
-    mut confirm_event: EventWriter<NewGameConfirmEvent>,
-    mut info_toast: EventWriter<InfoToastEvent>,
-    mut draw: EventWriter<DrawRequestEvent>,
-    mut forfeit: EventWriter<ForfeitEvent>,
+    mut confirm_pending: Local<bool>,
+    mut forfeit_countdown: Local<f32>,
+    mut ev: KeyboardEvents,
     mut commands: Commands,
     card_entities: Query<(Entity, &CardEntity, &Sprite)>,
     layout: Option<Res<LayoutResource>>,
+    mut hint_cycle: ResMut<HintCycleIndex>,
+    mut time_attack: Option<ResMut<TimeAttackResource>>,
 ) {
     if paused.is_some_and(|p| p.0) {
         return;
@@ -102,102 +121,214 @@ fn handle_keyboard(
         *confirm_countdown -= time.delta_secs();
         if *confirm_countdown <= 0.0 {
             *confirm_countdown = 0.0;
+            // Countdown expired without a second N press — notify the player.
+            if *confirm_pending {
+                *confirm_pending = false;
+                ev.info_toast.send(InfoToastEvent("New game cancelled".to_string()));
+            }
+        }
+    }
+    // Tick down the forfeit confirmation window.
+    if *forfeit_countdown > 0.0 {
+        *forfeit_countdown -= time.delta_secs();
+        if *forfeit_countdown <= 0.0 {
+            *forfeit_countdown = 0.0;
         }
     }
 
     if keys.just_pressed(KeyCode::KeyU) {
-        undo.send(UndoRequestEvent);
+        if *forfeit_countdown > 0.0 { *forfeit_countdown = 0.0; }
+        ev.undo.send(UndoRequestEvent);
     }
     if keys.just_pressed(KeyCode::KeyN) {
+        // If a Time Attack session is running, cancel it and start a Classic game.
+        if let Some(ref mut session) = time_attack {
+            if session.active {
+                session.active = false;
+                session.remaining_secs = 0.0;
+                ev.info_toast.send(InfoToastEvent("Time Attack ended".to_string()));
+                ev.new_game.send(NewGameRequestEvent {
+                    seed: None,
+                    mode: Some(solitaire_core::game_state::GameMode::Classic),
+                });
+                *confirm_countdown = 0.0;
+                return;
+            }
+        }
+
         let active_game = game.as_ref().is_some_and(|g| g.0.move_count > 0 && !g.0.is_won);
         let shift_held = keys.pressed(KeyCode::ShiftLeft) || keys.pressed(KeyCode::ShiftRight);
         if shift_held || !active_game {
             // Shift+N or no active game — start immediately, no confirmation.
-            new_game.send(NewGameRequestEvent::default());
+            ev.new_game.send(NewGameRequestEvent::default());
             *confirm_countdown = 0.0;
+            *confirm_pending = false;
         } else if *confirm_countdown > 0.0 {
             // Second press within the window — confirmed.
-            new_game.send(NewGameRequestEvent::default());
+            ev.new_game.send(NewGameRequestEvent::default());
             *confirm_countdown = 0.0;
+            *confirm_pending = false;
         } else {
             // First press on an active game — require confirmation.
             *confirm_countdown = NEW_GAME_CONFIRM_WINDOW;
-            confirm_event.send(NewGameConfirmEvent);
+            *confirm_pending = true;
+            ev.confirm_event.send(NewGameConfirmEvent);
         }
     }
     if keys.just_pressed(KeyCode::KeyZ) {
+        if *forfeit_countdown > 0.0 { *forfeit_countdown = 0.0; }
         // Zen / Challenge / Time Attack are gated to level >= CHALLENGE_UNLOCK_LEVEL.
         // X is gated separately by ChallengePlugin.
         let level = progress.as_ref().map_or(0, |p| p.0.level);
         if level >= CHALLENGE_UNLOCK_LEVEL {
-            new_game.send(NewGameRequestEvent {
+            ev.new_game.send(NewGameRequestEvent {
                 seed: None,
                 mode: Some(solitaire_core::game_state::GameMode::Zen),
             });
         } else {
-            info_toast.send(InfoToastEvent(format!(
+            ev.info_toast.send(InfoToastEvent(format!(
                 "Zen mode unlocks at level {CHALLENGE_UNLOCK_LEVEL}"
             )));
         }
     }
     if keys.just_pressed(KeyCode::KeyD) || keys.just_pressed(KeyCode::Space) {
-        draw.send(DrawRequestEvent);
+        if *forfeit_countdown > 0.0 { *forfeit_countdown = 0.0; }
+        ev.draw.send(DrawRequestEvent);
     }
-    // H — show a hint (highlight the source card of the best available move).
+    // H — cycle through all available hints on each press, highlighting the
+    // source card yellow for 1.5 s. The index wraps around once all hints have
+    // been shown. When no moves are available a toast is shown instead.
     if keys.just_pressed(KeyCode::KeyH) {
+        if *forfeit_countdown > 0.0 { *forfeit_countdown = 0.0; }
         if let Some(ref g) = game {
-            if !g.0.is_won {
-                if let Some(ref layout_res) = layout {
-                    if let Some((from, _to, _count)) = find_hint(&g.0) {
-                        // Find the top face-up card in the source pile.
-                        let top_card_id = g.0.piles.get(&from)
-                            .and_then(|p| p.cards.last().filter(|c| c.face_up))
-                            .map(|c| c.id);
-                        if let Some(card_id) = top_card_id {
-                            for (entity, card_entity, _sprite) in card_entities.iter() {
-                                if card_entity.card_id == card_id {
-                                    commands.entity(entity)
-                                        .insert(HintHighlight { remaining: 1.5 })
-                                        .insert(Sprite {
-                                            color: Color::srgba(1.0, 1.0, 0.4, 1.0),
-                                            custom_size: Some(layout_res.0.card_size),
-                                            ..default()
-                                        });
-                                    break;
+            if g.0.is_won {
+                ev.info_toast.send(InfoToastEvent(
+                    "Game won! Press N for a new game".to_string(),
+                ));
+            } else if let Some(ref layout_res) = layout {
+                    let hints = all_hints(&g.0);
+                    if hints.is_empty() {
+                        ev.info_toast.send(InfoToastEvent("No hints available".to_string()));
+                    } else {
+                        // Pick the hint at the current cycle index (wrapping) and advance.
+                        let idx = hint_cycle.0 % hints.len();
+                        hint_cycle.0 = hint_cycle.0.wrapping_add(1);
+                        let (from, to, _count) = &hints[idx];
+                        // When the hint points at the stock (draw suggestion) there is no
+                        // face-up card to highlight — show a toast instead.
+                        // If the stock is empty, pressing D will recycle the waste rather
+                        // than draw a card, so the toast text must reflect that.
+                        if *from == PileType::Stock {
+                            let stock_empty = g.0.piles
+                                .get(&PileType::Stock)
+                                .is_some_and(|p| p.cards.is_empty());
+                            let msg = if stock_empty {
+                                "Hint: recycle waste (D)".to_string()
+                            } else {
+                                "Hint: draw from stock (D)".to_string()
+                            };
+                            ev.info_toast.send(InfoToastEvent(msg));
+                        } else {
+                            // Find the top face-up card in the source pile and highlight it.
+                            let top_card_id = g.0.piles.get(from)
+                                .and_then(|p| p.cards.last().filter(|c| c.face_up))
+                                .map(|c| c.id);
+                            if let Some(card_id) = top_card_id {
+                                for (entity, card_entity, _sprite) in card_entities.iter() {
+                                    if card_entity.card_id == card_id {
+                                        commands.entity(entity)
+                                            .insert(HintHighlight { remaining: 1.5 })
+                                            .insert(Sprite {
+                                                color: Color::srgba(1.0, 1.0, 0.4, 1.0),
+                                                custom_size: Some(layout_res.0.card_size),
+                                                ..default()
+                                            });
+                                        break;
+                                    }
                                 }
                             }
+                            // Fire an informational toast describing where the hinted card
+                            // should move so the player always sees the suggestion in text.
+                            let msg = match to {
+                                PileType::Foundation(suit) => {
+                                    let suit_name = match suit {
+                                        Suit::Clubs => "Clubs",
+                                        Suit::Diamonds => "Diamonds",
+                                        Suit::Hearts => "Hearts",
+                                        Suit::Spades => "Spades",
+                                    };
+                                    format!("Hint: move to {suit_name} foundation")
+                                }
+                                PileType::Tableau(col) => {
+                                    format!("Hint: move to tableau (col {})", col + 1)
+                                }
+                                _ => "Hint: move card".to_string(),
+                            };
+                            ev.info_toast.send(InfoToastEvent(msg));
                         }
-                    } else {
-                        info_toast.send(InfoToastEvent("No hints available".to_string()));
                     }
-                }
             }
         }
     }
-    // G — forfeit the current game (only when a game is actually in progress).
+    // G — forfeit the current game with a 3-second double-confirm window to
+    // prevent accidental forfeits. First press shows a toast and starts the
+    // countdown; second press within the window sends the ForfeitEvent.
     if keys.just_pressed(KeyCode::KeyG) {
         let active_game = game.as_ref().is_some_and(|g| g.0.move_count > 0 && !g.0.is_won);
         if active_game {
-            forfeit.send(ForfeitEvent);
+            if *forfeit_countdown > 0.0 {
+                // Second press within the confirmation window — confirmed.
+                ev.forfeit.send(ForfeitEvent);
+                *forfeit_countdown = 0.0;
+            } else {
+                // First press — start the countdown and warn the player.
+                *forfeit_countdown = FORFEIT_CONFIRM_WINDOW;
+                ev.info_toast.send(InfoToastEvent("Press G again to forfeit".to_string()));
+            }
         }
     }
     // Esc is handled by `PausePlugin` (overlay toggle + paused flag).
 }
 
+/// Resets [`HintCycleIndex`] to `0` whenever the game state changes or a new
+/// game is requested so the next H press always starts cycling from the first
+/// hint of the new position.
+///
+/// Listening to both events ensures the reset happens immediately on
+/// `NewGameRequestEvent`, one frame before the `StateChangedEvent` that the
+/// game plugin fires after dealing — preventing a stale hint from the previous
+/// game being shown when H is pressed in that gap frame.
+fn reset_hint_cycle_on_state_change(
+    mut state_events: EventReader<StateChangedEvent>,
+    mut new_game_events: EventReader<NewGameRequestEvent>,
+    mut hint_cycle: ResMut<HintCycleIndex>,
+) {
+    if state_events.read().next().is_some() || new_game_events.read().next().is_some() {
+        hint_cycle.0 = 0;
+    }
+}
+
 /// `F11` toggles between borderless-fullscreen and windowed mode.
 /// Not gated by the pause flag — the player can always resize the window.
 fn handle_fullscreen(
     keys: Res<ButtonInput<KeyCode>>,
     mut windows: Query<&mut Window, With<PrimaryWindow>>,
+    mut toast: EventWriter<InfoToastEvent>,
 ) {
     if !keys.just_pressed(KeyCode::F11) {
         return;
     }
     let Ok(mut window) = windows.get_single_mut() else { return };
-    window.mode = match window.mode {
+    let new_mode = match window.mode {
         WindowMode::Windowed => WindowMode::BorderlessFullscreen(MonitorSelection::Current),
         _ => WindowMode::Windowed,
     };
+    window.mode = new_mode;
+    let label = match window.mode {
+        WindowMode::Windowed => "Fullscreen: off",
+        _ => "Fullscreen: on",
+    };
+    toast.send(InfoToastEvent(label.to_string()));
 }
 
 fn handle_stock_click(
@@ -239,7 +370,7 @@ fn start_drag(
     layout: Option<Res<LayoutResource>>,
     game: Res<GameStateResource>,
     mut drag: ResMut<DragState>,
-    mut card_transforms: Query<(&CardEntity, &mut Transform)>,
+    mut card_visuals: Query<(&CardEntity, &mut Transform, &mut Sprite)>,
 ) {
     if paused.is_some_and(|p| p.0) {
         return;
@@ -268,13 +399,15 @@ fn start_drag(
     let bottom_pos = card_position(&game.0, &layout.0, pile.clone(), stack_index);
     let cursor_offset = bottom_pos - world;
 
-    // Elevate dragged cards to DRAG_Z.
+    // Elevate dragged cards to DRAG_Z and dim them slightly so the board
+    // beneath remains visible during the drag.
     for (i, id) in card_ids.iter().enumerate() {
-        if let Some((_, mut transform)) = card_transforms
+        if let Some((_, mut transform, mut sprite)) = card_visuals
             .iter_mut()
-            .find(|(entity, _)| entity.card_id == *id)
+            .find(|(entity, _, _)| entity.card_id == *id)
         {
             transform.translation.z = DRAG_Z + (i as f32) * 0.01;
+            sprite.color.set_alpha(0.85);
         }
     }
 
@@ -328,6 +461,8 @@ fn end_drag(
     mut moves: EventWriter<MoveRequestEvent>,
     mut rejected: EventWriter<MoveRejectedEvent>,
     mut changed: EventWriter<StateChangedEvent>,
+    mut commands: Commands,
+    card_entities: Query<(Entity, &CardEntity, &Transform)>,
 ) {
     if paused.is_some_and(|p| p.0) {
         drag.clear();
@@ -385,6 +520,19 @@ fn end_drag(
                         to: target.clone(),
                         count,
                     });
+                    // Shake each dragged card so the player gets immediate
+                    // visual feedback that the drop was rejected.
+                    for &card_id in &drag.cards {
+                        if let Some((entity, _, transform)) = card_entities
+                            .iter()
+                            .find(|(_, ce, _)| ce.card_id == card_id)
+                        {
+                            commands.entity(entity).insert(ShakeAnim {
+                                elapsed: 0.0,
+                                origin_x: transform.translation.x,
+                            });
+                        }
+                    }
                 }
             }
         }
@@ -604,8 +752,43 @@ pub fn best_destination(card: &Card, game: &GameState) -> Option<PileType> {
     None
 }
 
+/// Find the best tableau column onto which the stack rooted at `bottom_card`
+/// can be legally placed, excluding the stack's own source pile.
+///
+/// Returns `(destination, stack_count)` if a legal target exists, or `None`
+/// if the stack cannot move anywhere. Only tableau destinations are considered
+/// because multi-card stacks cannot go to foundations.
+pub fn best_tableau_destination_for_stack(
+    bottom_card: &Card,
+    from: &PileType,
+    game: &GameState,
+    stack_count: usize,
+) -> Option<(PileType, usize)> {
+    for i in 0..7_usize {
+        let dest = PileType::Tableau(i);
+        if dest == *from {
+            continue;
+        }
+        if let Some(pile) = game.piles.get(&dest) {
+            if can_place_on_tableau(bottom_card, pile) {
+                return Some((dest, stack_count));
+            }
+        }
+    }
+    None
+}
+
 /// System that detects double-clicks on face-up cards and fires `MoveRequestEvent`
-/// to the best legal destination (foundation before tableau).
+/// to the best legal destination.
+///
+/// Move priority:
+/// 1. Move the single **top** card to its best foundation (or tableau) destination.
+/// 2. If no single-card move exists and the clicked card is the base of a
+///    multi-card face-up stack, move the whole stack to the best tableau column.
+///
+/// When a multi-card stack double-click finds no legal destination (Priority 2
+/// returns `None`), fires `MoveRejectedEvent` with `from == to == pile` so the
+/// invalid-move sound plays and the source pile cards shake as feedback.
 #[allow(clippy::too_many_arguments)]
 fn handle_double_click(
     buttons: Res<ButtonInput<MouseButton>>,
@@ -618,6 +801,7 @@ fn handle_double_click(
     game: Res<GameStateResource>,
     mut last_click: Local<HashMap<u32, f32>>,
     mut moves: EventWriter<MoveRequestEvent>,
+    mut rejected: EventWriter<MoveRejectedEvent>,
 ) {
     if paused.is_some_and(|p| p.0) {
         return;
@@ -628,18 +812,17 @@ fn handle_double_click(
     let Some(layout) = layout else { return };
     let Some(world) = cursor_world(&windows, &cameras) else { return };
 
-    // Identify which card was clicked (must be face-up and draggable).
+    // Identify which card (or stack base) was clicked (must be face-up and draggable).
     let Some((pile, stack_index, card_ids)) = find_draggable_at(world, &game.0, &layout.0) else {
         return;
     };
-    // Only auto-move a single card (top card of the stack).
-    let Some(&top_card_id) = card_ids.last() else { return };
-    // The top draggable card is at `stack_index + card_ids.len() - 1`.
-    let top_index = stack_index + card_ids.len() - 1;
-    let Some(card) = game.0.piles.get(&pile)
-        .and_then(|p| p.cards.get(top_index)) else { return };
 
-    if !card.face_up || card.id != top_card_id {
+    // The topmost card in the draggable run — used as the double-click key.
+    let Some(&top_card_id) = card_ids.last() else { return };
+    let top_index = stack_index + card_ids.len() - 1;
+    let Some(top_card) = game.0.piles.get(&pile)
+        .and_then(|p| p.cards.get(top_index)) else { return };
+    if !top_card.face_up || top_card.id != top_card_id {
         return;
     }
 
@@ -647,14 +830,47 @@ fn handle_double_click(
     let prev = last_click.get(&top_card_id).copied().unwrap_or(f32::NEG_INFINITY);
 
     if now - prev <= DOUBLE_CLICK_WINDOW {
-        // Double-click detected — find and fire the best move.
+        // Double-click confirmed.
         last_click.remove(&top_card_id);
-        if let Some(dest) = best_destination(card, &game.0) {
+
+        // Priority 1: move the single top card (foundation preferred, then tableau).
+        if let Some(dest) = best_destination(top_card, &game.0) {
             moves.send(MoveRequestEvent {
                 from: pile,
                 to: dest,
                 count: 1,
             });
+            return;
+        }
+
+        // Priority 2: if the player clicked the base of a multi-card face-up
+        // stack (card_ids.len() > 1), try moving the whole stack to another
+        // tableau column.
+        if card_ids.len() > 1 {
+            let Some(bottom_card) = game.0.piles.get(&pile)
+                .and_then(|p| p.cards.get(stack_index)) else { return };
+            if let Some((dest, count)) = best_tableau_destination_for_stack(
+                bottom_card,
+                &pile,
+                &game.0,
+                card_ids.len(),
+            ) {
+                moves.send(MoveRequestEvent {
+                    from: pile,
+                    to: dest,
+                    count,
+                });
+            } else {
+                // No legal destination for the stack — play the invalid-move
+                // sound and shake the source pile cards as feedback.
+                // `MoveRejectedEvent` with `from == to` routes the shake to
+                // the source pile (which `start_shake_anim` reads from `ev.to`).
+                rejected.send(MoveRejectedEvent {
+                    from: pile.clone(),
+                    to: pile,
+                    count: card_ids.len(),
+                });
+            }
         }
     } else {
         // Single click — record the time.
@@ -666,12 +882,19 @@ fn handle_double_click(
 // Task #28 — Hint system helpers
 // ---------------------------------------------------------------------------
 
-/// Find one valid move in the current game state.
+/// Build the complete list of legal moves available in `game`, ordered so that
+/// foundation moves come first, then tableau-to-tableau moves, with "draw from
+/// stock" appended last when the stock is non-empty and nothing else is
+/// available.
 ///
-/// Returns `(from, to, count)` for the first legal move found, or `None` if
-/// no move is available. Sources checked: Waste top, then Tableau 0–6.
-/// Destinations checked: all 4 Foundations, then all 7 Tableau piles.
-pub fn find_hint(game: &GameState) -> Option<(PileType, PileType, usize)> {
+/// Each entry is `(from, to, count)` — the same triple used by
+/// [`MoveRequestEvent`]. The list may be empty when no move exists at all
+/// (game is stuck).
+///
+/// This is the backing data for the cycling hint system: the H key steps
+/// through `hints[HintCycleIndex % hints.len()]` on each press.
+pub fn all_hints(game: &GameState) -> Vec<(PileType, PileType, usize)> {
+    let suits = [Suit::Clubs, Suit::Diamonds, Suit::Hearts, Suit::Spades];
     let sources: Vec<PileType> = {
         let mut s = vec![PileType::Waste];
         for i in 0..7_usize {
@@ -680,23 +903,38 @@ pub fn find_hint(game: &GameState) -> Option<(PileType, PileType, usize)> {
         s
     };
 
-    let suits = [Suit::Clubs, Suit::Diamonds, Suit::Hearts, Suit::Spades];
+    let mut hints: Vec<(PileType, PileType, usize)> = Vec::new();
 
+    // Pass 1 — foundation moves (highest priority, shown first).
     for from in &sources {
         let Some(from_pile) = game.piles.get(from) else { continue };
         let Some(card) = from_pile.cards.last().filter(|c| c.face_up) else { continue };
-
-        // Check foundations.
         for &suit in &suits {
             let dest = PileType::Foundation(suit);
             if let Some(dest_pile) = game.piles.get(&dest) {
                 if can_place_on_foundation(card, dest_pile, suit) {
-                    return Some((from.clone(), dest, 1));
+                    hints.push((from.clone(), dest, 1));
+                    // Each source card can go to at most one foundation suit;
+                    // no need to check the remaining three for this card.
+                    break;
                 }
             }
         }
+    }
 
-        // Check tableau piles (skip the source pile itself).
+    // Pass 2 — tableau moves (deduplicated by source pile so we don't
+    // repeat the same source card multiple times for different destinations).
+    for from in &sources {
+        let Some(from_pile) = game.piles.get(from) else { continue };
+        let Some(card) = from_pile.cards.last().filter(|c| c.face_up) else { continue };
+        // Skip if this source already has a foundation hint — prefer to show
+        // that one when cycling rather than suggesting a less optimal move.
+        let already_has_foundation_hint = hints.iter().any(|(f, t, _)| {
+            f == from && matches!(t, PileType::Foundation(_))
+        });
+        if already_has_foundation_hint {
+            continue;
+        }
         for i in 0..7_usize {
             let dest = PileType::Tableau(i);
             if dest == *from {
@@ -704,12 +942,41 @@ pub fn find_hint(game: &GameState) -> Option<(PileType, PileType, usize)> {
             }
             if let Some(dest_pile) = game.piles.get(&dest) {
                 if can_place_on_tableau(card, dest_pile) {
-                    return Some((from.clone(), dest, 1));
+                    hints.push((from.clone(), dest, 1));
+                    // One tableau destination per source card is enough for the
+                    // hint list — the player can see where else a card can go
+                    // via the right-click destination highlights.
+                    break;
                 }
             }
         }
     }
-    None
+
+    // Pass 3 — suggest drawing from the stock when no other hint was found.
+    if hints.is_empty() {
+        let stock_non_empty = game.piles.get(&PileType::Stock)
+            .is_some_and(|p| !p.cards.is_empty());
+        let waste_can_recycle = game.piles.get(&PileType::Stock)
+            .is_some_and(|p| p.cards.is_empty())
+            && game.piles.get(&PileType::Waste)
+                .is_some_and(|p| !p.cards.is_empty());
+        if stock_non_empty || waste_can_recycle {
+            // Stock→Waste is not a real pile-to-pile move, but we reuse the
+            // triple to signal "draw". The H handler only reads `from` to
+            // locate the card to highlight; we point at the stock pile.
+            hints.push((PileType::Stock, PileType::Waste, 1));
+        }
+    }
+
+    hints
+}
+
+/// Find one valid move in the current game state.
+///
+/// Returns `(from, to, count)` for the first legal move found, or `None` if
+/// no move is available. This is a convenience wrapper over [`all_hints`].
+pub fn find_hint(game: &GameState) -> Option<(PileType, PileType, usize)> {
+    all_hints(game).into_iter().next()
 }
 
 #[cfg(test)]
@@ -999,6 +1266,102 @@ mod tests {
         assert!(best_destination(&card, &game).is_none());
     }
 
+    // -----------------------------------------------------------------------
+    // best_tableau_destination_for_stack pure-function tests
+    // -----------------------------------------------------------------------
+
+    #[test]
+    fn best_tableau_destination_for_stack_finds_legal_column() {
+        use solitaire_core::card::{Card, Rank, Suit};
+        let mut game = GameState::new(1, DrawMode::DrawOne);
+
+        // Clear all piles for a clean test.
+        for suit in [Suit::Clubs, Suit::Diamonds, Suit::Hearts, Suit::Spades] {
+            game.piles.get_mut(&PileType::Foundation(suit)).unwrap().cards.clear();
+        }
+        for i in 0..7_usize {
+            game.piles.get_mut(&PileType::Tableau(i)).unwrap().cards.clear();
+        }
+
+        // Tableau 0: King of Spades (the source stack base), Queen of Hearts on top.
+        let t0 = game.piles.get_mut(&PileType::Tableau(0)).unwrap();
+        t0.cards.push(Card { id: 100, suit: Suit::Spades, rank: Rank::King, face_up: true });
+        t0.cards.push(Card { id: 101, suit: Suit::Hearts, rank: Rank::Queen, face_up: true });
+
+        // Tableau 1..6: empty — Kings can land on any of them.
+
+        let bottom_card = Card { id: 100, suit: Suit::Spades, rank: Rank::King, face_up: true };
+        let result = best_tableau_destination_for_stack(
+            &bottom_card,
+            &PileType::Tableau(0),
+            &game,
+            2,
+        );
+        assert!(result.is_some(), "should find a destination for King-stack");
+        let (dest, count) = result.unwrap();
+        assert!(matches!(dest, PileType::Tableau(_)));
+        assert_ne!(dest, PileType::Tableau(0), "must not return the source pile");
+        assert_eq!(count, 2);
+    }
+
+    #[test]
+    fn best_tableau_destination_for_stack_skips_source_pile() {
+        use solitaire_core::card::{Card, Rank, Suit};
+        let mut game = GameState::new(1, DrawMode::DrawOne);
+
+        for suit in [Suit::Clubs, Suit::Diamonds, Suit::Hearts, Suit::Spades] {
+            game.piles.get_mut(&PileType::Foundation(suit)).unwrap().cards.clear();
+        }
+        for i in 0..7_usize {
+            game.piles.get_mut(&PileType::Tableau(i)).unwrap().cards.clear();
+        }
+
+        // Only tableau 0 has anything; every other column is empty.
+        // A King is the only card that can go on an empty tableau column.
+        // Source is Tableau(0), so the result must NOT be Tableau(0).
+        let t0 = game.piles.get_mut(&PileType::Tableau(0)).unwrap();
+        t0.cards.push(Card { id: 200, suit: Suit::Hearts, rank: Rank::King, face_up: true });
+
+        let bottom_card = Card { id: 200, suit: Suit::Hearts, rank: Rank::King, face_up: true };
+        let result = best_tableau_destination_for_stack(
+            &bottom_card,
+            &PileType::Tableau(0),
+            &game,
+            1,
+        );
+        // Result must be some other empty tableau column, never the source.
+        if let Some((dest, _)) = result {
+            assert_ne!(dest, PileType::Tableau(0));
+        }
+    }
+
+    #[test]
+    fn best_tableau_destination_for_stack_returns_none_when_no_legal_move() {
+        use solitaire_core::card::{Card, Rank, Suit};
+        let mut game = GameState::new(1, DrawMode::DrawOne);
+
+        for suit in [Suit::Clubs, Suit::Diamonds, Suit::Hearts, Suit::Spades] {
+            game.piles.get_mut(&PileType::Foundation(suit)).unwrap().cards.clear();
+        }
+        for i in 0..7_usize {
+            game.piles.get_mut(&PileType::Tableau(i)).unwrap().cards.clear();
+        }
+
+        // Source: tableau 0 has a Two of Clubs (can't go on empty pile; not a King).
+        // All other piles are empty — no legal tableau target.
+        let t0 = game.piles.get_mut(&PileType::Tableau(0)).unwrap();
+        t0.cards.push(Card { id: 300, suit: Suit::Clubs, rank: Rank::Two, face_up: true });
+
+        let bottom_card = Card { id: 300, suit: Suit::Clubs, rank: Rank::Two, face_up: true };
+        let result = best_tableau_destination_for_stack(
+            &bottom_card,
+            &PileType::Tableau(0),
+            &game,
+            1,
+        );
+        assert!(result.is_none(), "Two of Clubs has no legal tableau destination on empty piles");
+    }
+
     // -----------------------------------------------------------------------
     // Task #28 — find_hint pure-function tests
     // -----------------------------------------------------------------------
@@ -1047,6 +1410,201 @@ mod tests {
 
         assert!(find_hint(&game).is_none(), "no hint should exist");
     }
+
+    // -----------------------------------------------------------------------
+    // Task #54 — forfeit double-confirm logic pure-function tests
+    // -----------------------------------------------------------------------
+
+    /// Verify the FORFEIT_CONFIRM_WINDOW constant is positive so the countdown
+    /// window actually opens on the first G press.
+    #[test]
+    fn forfeit_confirm_window_is_positive() {
+        assert!(FORFEIT_CONFIRM_WINDOW > 0.0, "FORFEIT_CONFIRM_WINDOW must be > 0");
+    }
+
+    /// Simulate the first G press: countdown was 0, so it should become
+    /// FORFEIT_CONFIRM_WINDOW and no ForfeitEvent should be "sent" yet.
+    #[test]
+    fn forfeit_first_press_opens_countdown() {
+        // Simulate: forfeit_countdown starts at 0 (no pending confirmation).
+        let mut forfeit_countdown: f32 = 0.0;
+        let active_game = true;
+
+        // --- first G press logic (mirrors handle_keyboard) ---
+        let forfeit_sent = if active_game {
+            if forfeit_countdown > 0.0 {
+                // Second press — would send ForfeitEvent.
+                forfeit_countdown = 0.0;
+                true
+            } else {
+                // First press — open window, send toast (not ForfeitEvent).
+                forfeit_countdown = FORFEIT_CONFIRM_WINDOW;
+                false
+            }
+        } else {
+            false
+        };
+
+        assert!(!forfeit_sent, "ForfeitEvent must NOT fire on first G press");
+        assert_eq!(
+            forfeit_countdown, FORFEIT_CONFIRM_WINDOW,
+            "countdown must be opened to FORFEIT_CONFIRM_WINDOW after first press"
+        );
+    }
+
+    /// Simulate the second G press within the window: countdown > 0, so
+    /// ForfeitEvent should fire and countdown resets to 0.
+    #[test]
+    fn forfeit_second_press_within_window_sends_event() {
+        // Countdown is open from the first press.
+        let mut forfeit_countdown: f32 = FORFEIT_CONFIRM_WINDOW - 1.0; // still in window
+        let active_game = true;
+
+        // --- second G press logic ---
+        let forfeit_sent = if active_game {
+            if forfeit_countdown > 0.0 {
+                forfeit_countdown = 0.0;
+                true
+            } else {
+                forfeit_countdown = FORFEIT_CONFIRM_WINDOW;
+                false
+            }
+        } else {
+            false
+        };
+
+        assert!(forfeit_sent, "ForfeitEvent MUST fire on second G press within window");
+        assert_eq!(forfeit_countdown, 0.0, "countdown must reset to 0 after confirmation");
+    }
+
+    /// Simulate G press after the countdown has expired: countdown ticked to 0,
+    /// so the next G press opens a fresh window (no ForfeitEvent).
+    #[test]
+    fn forfeit_press_after_countdown_expired_reopens_window() {
+        // Countdown already expired.
+        let mut forfeit_countdown: f32 = 0.0;
+        let active_game = true;
+
+        let forfeit_sent = if active_game {
+            if forfeit_countdown > 0.0 {
+                forfeit_countdown = 0.0;
+                true
+            } else {
+                forfeit_countdown = FORFEIT_CONFIRM_WINDOW;
+                false
+            }
+        } else {
+            false
+        };
+
+        assert!(!forfeit_sent, "ForfeitEvent must NOT fire when countdown expired before second press");
+        assert_eq!(
+            forfeit_countdown, FORFEIT_CONFIRM_WINDOW,
+            "a new confirmation window must open"
+        );
+    }
+
+    /// Pressing any other key (e.g. U for undo) while the forfeit countdown is
+    /// active must immediately cancel it (reset to 0.0).
+    #[test]
+    fn forfeit_cancelled_by_other_key_press() {
+        // Countdown is open from the first G press.
+        let mut forfeit_countdown: f32 = FORFEIT_CONFIRM_WINDOW - 0.5; // still in window
+
+        // --- simulate U (undo) press: cancel countdown ---
+        if forfeit_countdown > 0.0 {
+            forfeit_countdown = 0.0;
+        }
+        // Then perform undo logic (omitted here as it requires Bevy infrastructure).
+
+        assert_eq!(
+            forfeit_countdown, 0.0,
+            "forfeit countdown must be reset to 0.0 when another key is pressed"
+        );
+    }
+
+    /// G press when no game is active must never fire ForfeitEvent and must
+    /// not open a countdown.
+    #[test]
+    fn forfeit_no_active_game_does_nothing() {
+        let mut forfeit_countdown: f32 = 0.0;
+        let active_game = false;
+
+        let forfeit_sent = if active_game {
+            if forfeit_countdown > 0.0 {
+                forfeit_countdown = 0.0;
+                true
+            } else {
+                forfeit_countdown = FORFEIT_CONFIRM_WINDOW;
+                false
+            }
+        } else {
+            false
+        };
+
+        assert!(!forfeit_sent, "ForfeitEvent must not fire when no game is active");
+        assert_eq!(forfeit_countdown, 0.0, "countdown must remain 0 when no game is active");
+    }
+
+    // -----------------------------------------------------------------------
+    // Task #57 — ShakeAnim insertion on rejected drag
+    // -----------------------------------------------------------------------
+
+    /// Verifies that `ShakeAnim` constructed for a rejected drag has the
+    /// correct initial values: `elapsed` starts at 0.0 and `origin_x` matches
+    /// the card's current transform X position.
+    ///
+    /// The Bevy ECS part (Commands + Query) is exercised at runtime; this test
+    /// covers the data path — that we build the component with the right values
+    /// before handing it to `commands.entity(...).insert(...)`.
+    #[test]
+    fn shake_anim_for_rejected_drag_has_correct_initial_values() {
+        use crate::feedback_anim_plugin::ShakeAnim;
+
+        // Simulate the transform X that a dragged card would have at the
+        // moment the drag is released (could be anywhere on screen).
+        let current_x = 123.5_f32;
+
+        // This mirrors the ShakeAnim construction in `end_drag`.
+        let anim = ShakeAnim {
+            elapsed: 0.0,
+            origin_x: current_x,
+        };
+
+        assert_eq!(
+            anim.elapsed, 0.0,
+            "ShakeAnim must start with elapsed=0.0 so the animation plays from the beginning"
+        );
+        assert!(
+            (anim.origin_x - current_x).abs() < 1e-6,
+            "ShakeAnim origin_x must match the card's transform X at drop time, \
+             expected {current_x}, got {}",
+            anim.origin_x
+        );
+    }
+
+    /// When a drag is rejected, every card id in `drag.cards` should receive a
+    /// `ShakeAnim`. Verify that the set of card ids we would iterate matches
+    /// exactly the ids stored in `DragState::cards` at rejection time.
+    #[test]
+    fn rejected_drag_shakes_all_dragged_cards() {
+        // Simulate a DragState with two card ids (a stack drag).
+        let dragged_ids: Vec<u32> = vec![10, 11];
+
+        // In `end_drag`, we iterate `drag.cards` and look up each id in
+        // `card_entities`. The ids we would insert ShakeAnim on must exactly
+        // match the dragged set.
+        let mut shaken: Vec<u32> = Vec::new();
+        for &card_id in &dragged_ids {
+            // Simulate finding the entity for card_id (always succeeds here).
+            shaken.push(card_id);
+        }
+
+        assert_eq!(
+            shaken, dragged_ids,
+            "every card id in drag.cards must receive a ShakeAnim on rejection"
+        );
+    }
 }
 
 // `Vec3` is referenced only via the `DRAG_Z` constant; keep the import silenced
diff --git a/solitaire_engine/src/leaderboard_plugin.rs b/solitaire_engine/src/leaderboard_plugin.rs
index 07830e3..823aadd 100644
--- a/solitaire_engine/src/leaderboard_plugin.rs
+++ b/solitaire_engine/src/leaderboard_plugin.rs
@@ -14,6 +14,7 @@ use bevy::tasks::{futures_lite::future, AsyncComputeTaskPool, Task};
 use solitaire_data::settings::SyncBackend;
 use solitaire_sync::LeaderboardEntry;
 
+use crate::events::InfoToastEvent;
 use crate::settings_plugin::SettingsResource;
 use crate::sync_plugin::SyncProviderResource;
 
@@ -214,13 +215,22 @@ fn handle_opt_in_button(
     }
 }
 
-/// Polls the opt-in task; logs on error, clears on completion.
-fn poll_opt_in_task(mut task_res: ResMut<OptInTask>) {
+/// Polls the opt-in task; fires an `InfoToastEvent` on completion or failure.
+fn poll_opt_in_task(
+    mut task_res: ResMut<OptInTask>,
+    mut toast: EventWriter<InfoToastEvent>,
+) {
     let Some(task) = task_res.0.as_mut() else { return };
     let Some(result) = future::block_on(future::poll_once(task)) else { return };
     task_res.0 = None;
-    if let Err(e) = result {
-        warn!("leaderboard opt-in failed: {e}");
+    match result {
+        Ok(()) => {
+            toast.send(InfoToastEvent("Opted in to leaderboard".to_string()));
+        }
+        Err(e) => {
+            warn!("leaderboard opt-in failed: {e}");
+            toast.send(InfoToastEvent("Leaderboard update failed".to_string()));
+        }
     }
 }
 
@@ -245,13 +255,22 @@ fn handle_opt_out_button(
     }
 }
 
-/// Polls the opt-out task; logs on error, clears on completion.
-fn poll_opt_out_task(mut task_res: ResMut<OptOutTask>) {
+/// Polls the opt-out task; fires an `InfoToastEvent` on completion or failure.
+fn poll_opt_out_task(
+    mut task_res: ResMut<OptOutTask>,
+    mut toast: EventWriter<InfoToastEvent>,
+) {
     let Some(task) = task_res.0.as_mut() else { return };
     let Some(result) = future::block_on(future::poll_once(task)) else { return };
     task_res.0 = None;
-    if let Err(e) = result {
-        warn!("leaderboard opt-out failed: {e}");
+    match result {
+        Ok(()) => {
+            toast.send(InfoToastEvent("Opted out of leaderboard".to_string()));
+        }
+        Err(e) => {
+            warn!("leaderboard opt-out failed: {e}");
+            toast.send(InfoToastEvent("Leaderboard update failed".to_string()));
+        }
     }
 }
 
diff --git a/solitaire_engine/src/lib.rs b/solitaire_engine/src/lib.rs
index 79b43b4..891268b 100644
--- a/solitaire_engine/src/lib.rs
+++ b/solitaire_engine/src/lib.rs
@@ -12,12 +12,14 @@ pub mod daily_challenge_plugin;
 pub mod events;
 pub mod game_plugin;
 pub mod help_plugin;
+pub mod home_plugin;
 pub mod hud_plugin;
 pub mod leaderboard_plugin;
 pub mod input_plugin;
 pub mod layout;
 pub mod onboarding_plugin;
 pub mod pause_plugin;
+pub mod profile_plugin;
 pub mod settings_plugin;
 pub mod progress_plugin;
 pub mod resources;
@@ -40,7 +42,8 @@ pub use progress_plugin::{LevelUpEvent, ProgressPlugin, ProgressResource, Progre
 pub use weekly_goals_plugin::{WeeklyGoalCompletedEvent, WeeklyGoalsPlugin};
 pub use animation_plugin::{ActiveToast, AnimationPlugin, CardAnim, ToastEntity, ToastQueue};
 pub use feedback_anim_plugin::{
-    deal_stagger_delay, shake_offset, settle_scale, FeedbackAnimPlugin, SettleAnim, ShakeAnim,
+    deal_stagger_delay, deal_stagger_secs_for_speed, shake_offset, settle_scale,
+    FeedbackAnimPlugin, SettleAnim, ShakeAnim,
 };
 pub use auto_complete_plugin::AutoCompletePlugin;
 pub use audio_plugin::{AudioPlugin, AudioState, SoundLibrary};
@@ -53,16 +56,18 @@ pub use events::{
 };
 pub use game_plugin::{ConfirmNewGameScreen, GameMutation, GameOverScreen, GamePlugin, GameStatePath};
 pub use help_plugin::{HelpPlugin, HelpScreen};
+pub use home_plugin::{HomePlugin, HomeScreen};
 pub use hud_plugin::{HudAutoComplete, HudPlugin};
 pub use leaderboard_plugin::{LeaderboardPlugin, LeaderboardResource, LeaderboardScreen};
 pub use input_plugin::InputPlugin;
 pub use onboarding_plugin::{OnboardingPlugin, OnboardingScreen};
 pub use pause_plugin::{PausePlugin, PauseScreen, PausedResource};
+pub use profile_plugin::{ProfilePlugin, ProfileScreen};
 pub use settings_plugin::{
     SettingsChangedEvent, SettingsPlugin, SettingsResource, SettingsScreen, SFX_STEP,
 };
 pub use layout::{compute_layout, Layout, LayoutResource};
-pub use resources::{DragState, GameStateResource, SyncStatus, SyncStatusResource};
+pub use resources::{DragState, GameStateResource, HintCycleIndex, SettingsScrollPos, SyncStatus, SyncStatusResource};
 pub use selection_plugin::{SelectionHighlight, SelectionPlugin, SelectionState};
 pub use stats_plugin::{StatsPlugin, StatsResource, StatsScreen, StatsUpdate};
 pub use sync_plugin::{SyncPlugin, SyncProviderResource};
@@ -71,5 +76,5 @@ pub use time_attack_plugin::{
     TimeAttackEndedEvent, TimeAttackPlugin, TimeAttackResource, TIME_ATTACK_DURATION_SECS,
 };
 pub use win_summary_plugin::{
-    format_win_time, ScreenShakeResource, WinSummaryPending, WinSummaryPlugin,
+    format_win_time, ScreenShakeResource, SessionAchievements, WinSummaryPending, WinSummaryPlugin,
 };
diff --git a/solitaire_engine/src/onboarding_plugin.rs b/solitaire_engine/src/onboarding_plugin.rs
index e16dfb8..d263d02 100644
--- a/solitaire_engine/src/onboarding_plugin.rs
+++ b/solitaire_engine/src/onboarding_plugin.rs
@@ -1,11 +1,11 @@
 //! First-run onboarding banner.
 //!
 //! On startup, if `Settings.first_run_complete` is `false`, spawn a centered
-//! welcome banner pointing at the **H**/`?` cheat sheet. The first key or
+//! welcome banner pointing at the **F1** cheat sheet. The first key or
 //! mouse-button press dismisses it, sets the flag, and persists settings —
 //! so returning players never see it again.
 //!
-//! **Key highlights** (#49): The key names **D**, **H**, and **U** inside the
+//! **Key highlights** (#49): The key names **D** and **U** inside the
 //! instructional text are rendered in a bright orange colour via `TextSpan`
 //! children tagged with `KeyHighlightSpan`.
 
@@ -20,7 +20,7 @@ use crate::settings_plugin::{SettingsResource, SettingsStoragePath};
 #[derive(Component, Debug)]
 pub struct OnboardingScreen;
 
-/// Marker on `TextSpan` entities that display a key name (D, H, U …) in the
+/// Marker on `TextSpan` entities that display a key name (D, U …) in the
 /// onboarding banner.  Colour distinct from body text; usable by tests and any
 /// future flash-animation system.
 #[derive(Component, Debug)]
@@ -112,7 +112,7 @@ fn spawn_onboarding_screen(commands: &mut Commands) {
             b.spawn((Text::new(""), TextFont { font_size: 20.0, ..default() }));
 
             // Instruction line: "Drag cards between piles. Press D to draw, U to undo."
-            // D and U rendered as KeyHighlightSpan children with KEY_COLOR.
+            // D is tagged KeyHighlightSpan; U uses KEY_COLOR but not the marker.
             b.spawn((
                 Text::new("Drag cards between piles. Press "),
                 TextFont { font_size: 22.0, ..default() },
@@ -129,24 +129,12 @@ fn spawn_onboarding_screen(commands: &mut Commands) {
                 t.spawn((TextSpan::new(" to undo."), TextColor(BODY_COLOR)));
             });
 
-            // Help line: "Press H or ? at any time to see the full controls."
-            // H rendered as a KeyHighlightSpan child with KEY_COLOR.
+            // Help line: "Press F1 at any time to see the full controls."
             b.spawn((
-                Text::new("Press "),
+                Text::new("Press F1 at any time to see the full controls."),
                 TextFont { font_size: 22.0, ..default() },
                 TextColor(BODY_COLOR),
-            ))
-            .with_children(|t| {
-                t.spawn((
-                    TextSpan::new("H"),
-                    TextColor(KEY_COLOR),
-                    KeyHighlightSpan,
-                ));
-                t.spawn((
-                    TextSpan::new(" or ? at any time to see the full controls."),
-                    TextColor(BODY_COLOR),
-                ));
-            });
+            ));
 
             // Spacer
             b.spawn((Text::new(""), TextFont { font_size: 20.0, ..default() }));
@@ -237,9 +225,9 @@ mod tests {
     }
 
     #[test]
-    fn banner_has_two_key_highlight_spans() {
-        // D and H must be tagged KeyHighlightSpan so their colour is distinct
-        // from body text and future flash-animation systems can target them.
+    fn banner_has_key_highlight_span_for_d() {
+        // D must be tagged KeyHighlightSpan so its colour is distinct from body
+        // text and future flash-animation systems can target it.
         let mut app = headless_app();
         app.update();
         let count = app
@@ -247,7 +235,7 @@ mod tests {
             .query::<&KeyHighlightSpan>()
             .iter(app.world())
             .count();
-        assert_eq!(count, 2, "expected KeyHighlightSpan for D and H");
+        assert_eq!(count, 1, "expected KeyHighlightSpan for D");
     }
 
     #[test]
diff --git a/solitaire_engine/src/pause_plugin.rs b/solitaire_engine/src/pause_plugin.rs
index 9fcaa83..b7d84aa 100644
--- a/solitaire_engine/src/pause_plugin.rs
+++ b/solitaire_engine/src/pause_plugin.rs
@@ -9,14 +9,20 @@
 //! input (drag, keyboard hotkeys) is **not** blocked — pause is purely a
 //! "stop the clock" screen for now. A future polish slice can layer
 //! input-blocking on top if desired.
+//!
+//! **Drag cancellation:** when Esc is pressed while a mouse drag is in
+//! progress, the drag is cancelled (cards snap back to their origin) and
+//! the pause overlay is **not** opened. Pressing Esc again with no drag
+//! active opens the overlay as normal.
 
 use bevy::prelude::*;
 use solitaire_core::game_state::DrawMode;
 use solitaire_data::save_game_state_to;
 
-use crate::game_plugin::GameStatePath;
+use crate::events::StateChangedEvent;
+use crate::game_plugin::{GameOverScreen, GameStatePath};
 use crate::progress_plugin::ProgressResource;
-use crate::resources::GameStateResource;
+use crate::resources::{DragState, GameStateResource};
 use crate::settings_plugin::{SettingsChangedEvent, SettingsResource, SettingsStoragePath};
 use crate::stats_plugin::StatsResource;
 
@@ -46,9 +52,10 @@ pub struct PausePlugin;
 
 impl Plugin for PausePlugin {
     fn build(&self, app: &mut App) {
-        // SettingsChangedEvent may already be registered by SettingsPlugin;
-        // add_event is idempotent so this is safe in either order.
+        // Both add_event calls are idempotent — other plugins may register these
+        // events first, but calling add_event again is always safe.
         app.add_event::<SettingsChangedEvent>()
+            .add_event::<StateChangedEvent>()
             .init_resource::<PausedResource>()
             .add_systems(Update, (toggle_pause, handle_pause_draw_toggle));
     }
@@ -60,15 +67,33 @@ fn toggle_pause(
     keys: Res<ButtonInput<KeyCode>>,
     mut paused: ResMut<PausedResource>,
     screens: Query<Entity, With<PauseScreen>>,
+    game_over_screens: Query<Entity, With<GameOverScreen>>,
     game: Option<Res<GameStateResource>>,
     path: Option<Res<GameStatePath>>,
     progress: Option<Res<ProgressResource>>,
     stats: Option<Res<StatsResource>>,
     settings: Option<Res<SettingsResource>>,
+    mut drag: Option<ResMut<DragState>>,
+    mut changed: EventWriter<StateChangedEvent>,
 ) {
     if !keys.just_pressed(KeyCode::Escape) {
         return;
     }
+    // If the game-over overlay is visible, let handle_game_over_input consume
+    // the Escape key (to start a new game). Do not open the pause overlay.
+    if !game_over_screens.is_empty() {
+        return;
+    }
+    // If a drag is in progress, cancel it instead of opening the pause overlay.
+    // Clearing DragState and emitting StateChangedEvent snaps the dragged cards
+    // back to their resting positions exactly as a rejected drop does.
+    if let Some(ref mut d) = drag {
+        if !d.is_idle() {
+            d.clear();
+            changed.send(StateChangedEvent);
+            return;
+        }
+    }
     if let Ok(entity) = screens.get_single() {
         commands.entity(entity).despawn_recursive();
         paused.0 = false;
diff --git a/solitaire_engine/src/profile_plugin.rs b/solitaire_engine/src/profile_plugin.rs
new file mode 100644
index 0000000..8df357a
--- /dev/null
+++ b/solitaire_engine/src/profile_plugin.rs
@@ -0,0 +1,374 @@
+//! Toggleable full-window profile overlay (press **P**).
+//!
+//! Shows the player's sync account, progression, achievements, and a statistics
+//! summary in a single scrollable panel. Spawned on the first `P` keypress and
+//! despawned on the second.
+
+use bevy::input::ButtonInput;
+use bevy::prelude::*;
+use solitaire_core::achievement::achievement_by_id;
+use solitaire_data::SyncBackend;
+
+use crate::achievement_plugin::AchievementsResource;
+use crate::progress_plugin::ProgressResource;
+use crate::resources::{SyncStatus, SyncStatusResource};
+use crate::settings_plugin::SettingsResource;
+use crate::stats_plugin::{format_fastest_win, format_win_rate, StatsResource};
+
+/// Marker component on the profile overlay root node.
+#[derive(Component, Debug)]
+pub struct ProfileScreen;
+
+/// Registers the `P` key toggle for the profile overlay.
+pub struct ProfilePlugin;
+
+impl Plugin for ProfilePlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(Update, toggle_profile_screen);
+    }
+}
+
+#[allow(clippy::too_many_arguments)]
+fn toggle_profile_screen(
+    mut commands: Commands,
+    keys: Res<ButtonInput<KeyCode>>,
+    settings: Option<Res<SettingsResource>>,
+    sync_status: Option<Res<SyncStatusResource>>,
+    progress: Option<Res<ProgressResource>>,
+    achievements: Option<Res<AchievementsResource>>,
+    stats: Option<Res<StatsResource>>,
+    screens: Query<Entity, With<ProfileScreen>>,
+) {
+    if !keys.just_pressed(KeyCode::KeyP) {
+        return;
+    }
+    if let Ok(entity) = screens.get_single() {
+        commands.entity(entity).despawn_recursive();
+    } else {
+        spawn_profile_screen(
+            &mut commands,
+            settings.as_deref(),
+            sync_status.as_deref(),
+            progress.as_deref(),
+            achievements.as_deref(),
+            stats.as_deref(),
+        );
+    }
+}
+
+fn spawn_profile_screen(
+    commands: &mut Commands,
+    settings: Option<&SettingsResource>,
+    sync_status: Option<&SyncStatusResource>,
+    progress: Option<&ProgressResource>,
+    achievements: Option<&AchievementsResource>,
+    stats: Option<&StatsResource>,
+) {
+    commands
+        .spawn((
+            ProfileScreen,
+            Node {
+                position_type: PositionType::Absolute,
+                left: Val::Percent(0.0),
+                top: Val::Percent(0.0),
+                width: Val::Percent(100.0),
+                height: Val::Percent(100.0),
+                flex_direction: FlexDirection::Column,
+                justify_content: JustifyContent::FlexStart,
+                align_items: AlignItems::Center,
+                row_gap: Val::Px(4.0),
+                padding: UiRect::all(Val::Px(24.0)),
+                overflow: Overflow::clip(),
+                ..default()
+            },
+            BackgroundColor(Color::srgba(0.0, 0.0, 0.0, 0.88)),
+            ZIndex(200),
+        ))
+        .with_children(|root| {
+            // ── Title ────────────────────────────────────────────────────────
+            root.spawn((
+                Text::new("Profile"),
+                TextFont { font_size: 28.0, ..default() },
+                TextColor(Color::srgb(1.0, 0.85, 0.3)),
+            ));
+
+            // ── Sync section ─────────────────────────────────────────────────
+            if let Some(s) = settings {
+                let (backend_name, username) = sync_info(&s.0.sync_backend);
+                root.spawn((
+                    Text::new(format!("Account: {username}  |  Backend: {backend_name}")),
+                    TextFont { font_size: 17.0, ..default() },
+                    TextColor(Color::srgb(0.7, 0.9, 1.0)),
+                ));
+            }
+            if let Some(ss) = sync_status {
+                let status_text = match &ss.0 {
+                    SyncStatus::Idle => "Sync: idle".to_string(),
+                    SyncStatus::Syncing => "Sync: syncing\u{2026}".to_string(),
+                    SyncStatus::LastSynced(dt) => {
+                        format!("Last synced: {}", dt.format("%Y-%m-%d %H:%M"))
+                    }
+                    SyncStatus::Error(e) => format!("Sync error: {e}"),
+                };
+                root.spawn((
+                    Text::new(status_text),
+                    TextFont { font_size: 15.0, ..default() },
+                    TextColor(Color::srgb(0.7, 0.7, 0.7)),
+                ));
+            }
+
+            // ── Progression section ───────────────────────────────────────────
+            spawn_spacer(root, 4.0);
+            root.spawn((
+                Text::new("Progression"),
+                TextFont { font_size: 22.0, ..default() },
+                TextColor(Color::srgb(0.8, 0.9, 0.8)),
+            ));
+            if let Some(p) = progress {
+                let prog = &p.0;
+                let (xp_span, xp_done) = xp_progress(prog.total_xp, prog.level);
+                let pct = if xp_span == 0 {
+                    100u64
+                } else {
+                    xp_done.saturating_mul(100).checked_div(xp_span).unwrap_or(100)
+                };
+                root.spawn((
+                    Text::new(format!(
+                        "Level {}  \u{2014}  {} XP  ({}/{} to next, {}%)",
+                        prog.level, prog.total_xp, xp_done, xp_span, pct
+                    )),
+                    TextFont { font_size: 17.0, ..default() },
+                    TextColor(Color::srgb(0.85, 0.85, 0.85)),
+                ));
+                root.spawn((
+                    Text::new(format!(
+                        "Daily streak: {}  |  Card backs: {}  |  Backgrounds: {}",
+                        prog.daily_challenge_streak,
+                        prog.unlocked_card_backs.len(),
+                        prog.unlocked_backgrounds.len(),
+                    )),
+                    TextFont { font_size: 17.0, ..default() },
+                    TextColor(Color::srgb(0.85, 0.85, 0.85)),
+                ));
+            }
+
+            // ── Achievements section ──────────────────────────────────────────
+            spawn_spacer(root, 4.0);
+            root.spawn((
+                Text::new("Achievements"),
+                TextFont { font_size: 22.0, ..default() },
+                TextColor(Color::srgb(0.8, 0.9, 0.8)),
+            ));
+            if let Some(ar) = achievements {
+                let records = &ar.0;
+                let unlocked_count = records.iter().filter(|r| r.unlocked).count();
+                root.spawn((
+                    Text::new(format!("{} / 18 unlocked", unlocked_count)),
+                    TextFont { font_size: 17.0, ..default() },
+                    TextColor(Color::srgb(1.0, 0.85, 0.4)),
+                ));
+
+                let mut any_unlocked = false;
+                for record in records {
+                    let def = achievement_by_id(record.id.as_str());
+                    // Skip secret achievements that are not unlocked.
+                    let is_secret = def.map(|d| d.secret).unwrap_or(false);
+                    if is_secret && !record.unlocked {
+                        continue;
+                    }
+                    if !record.unlocked {
+                        continue;
+                    }
+                    any_unlocked = true;
+                    let name = def.map(|d| d.name).unwrap_or(record.id.as_str());
+                    let date_str = match record.unlock_date {
+                        Some(dt) => format!("  ({})", dt.format("%Y-%m-%d")),
+                        None => String::new(),
+                    };
+                    root.spawn((
+                        Text::new(format!("  [x] {name}{date_str}")),
+                        TextFont { font_size: 14.0, ..default() },
+                        TextColor(Color::srgb(0.7, 1.0, 0.7)),
+                    ));
+                }
+                if !any_unlocked {
+                    root.spawn((
+                        Text::new("  No achievements unlocked yet."),
+                        TextFont { font_size: 14.0, ..default() },
+                        TextColor(Color::srgb(0.7, 0.7, 0.7)),
+                    ));
+                }
+            }
+
+            // ── Statistics summary section ────────────────────────────────────
+            spawn_spacer(root, 4.0);
+            root.spawn((
+                Text::new("Statistics Summary"),
+                TextFont { font_size: 22.0, ..default() },
+                TextColor(Color::srgb(0.8, 0.9, 0.8)),
+            ));
+            if let Some(sr) = stats {
+                let s = &sr.0;
+                let best_score_str = if s.best_single_score == 0 {
+                    "\u{2014}".to_string()
+                } else {
+                    s.best_single_score.to_string()
+                };
+                root.spawn((
+                    Text::new(format!(
+                        "Played: {}  |  Won: {}  |  Win rate: {}  |  Best time: {}",
+                        s.games_played,
+                        s.games_won,
+                        format_win_rate(s),
+                        format_fastest_win(s.fastest_win_seconds),
+                    )),
+                    TextFont { font_size: 16.0, ..default() },
+                    TextColor(Color::srgb(0.85, 0.85, 0.85)),
+                ));
+                root.spawn((
+                    Text::new(format!(
+                        "Win streak: {} current, {} best  |  Best score: {}",
+                        s.win_streak_current, s.win_streak_best, best_score_str,
+                    )),
+                    TextFont { font_size: 16.0, ..default() },
+                    TextColor(Color::srgb(0.85, 0.85, 0.85)),
+                ));
+            }
+
+            // ── Dismiss hint ──────────────────────────────────────────────────
+            spawn_spacer(root, 8.0);
+            root.spawn((
+                Text::new("Press P to close"),
+                TextFont { font_size: 16.0, ..default() },
+                TextColor(Color::srgb(0.55, 0.55, 0.55)),
+            ));
+        });
+}
+
+/// Spawn a fixed-height vertical spacer node.
+fn spawn_spacer(parent: &mut ChildBuilder, height_px: f32) {
+    parent.spawn(Node {
+        height: Val::Px(height_px),
+        ..default()
+    });
+}
+
+/// Return `(backend_name, username_display)` for the given sync backend.
+fn sync_info(backend: &SyncBackend) -> (&'static str, String) {
+    match backend {
+        SyncBackend::Local => ("Local", "—".to_string()),
+        SyncBackend::SolitaireServer { username, .. } => {
+            ("Solitaire Server", username.clone())
+        }
+        SyncBackend::GooglePlayGames => ("Google Play Games", "—".to_string()),
+    }
+}
+
+/// Return `(xp_span_for_level, xp_done_in_level)` for the given `total_xp` and `level`.
+///
+/// Levels 1–10 each require 500 XP; levels 11+ each require 1 000 XP.
+fn xp_progress(total_xp: u64, level: u32) -> (u64, u64) {
+    let level_start = if level < 10 {
+        level as u64 * 500
+    } else {
+        5_000 + (level as u64 - 10) * 1_000
+    };
+    let xp_span: u64 = if level < 10 { 500 } else { 1_000 };
+    let xp_done = total_xp.saturating_sub(level_start).min(xp_span);
+    (xp_span, xp_done)
+}
+
+// ---------------------------------------------------------------------------
+// Tests
+// ---------------------------------------------------------------------------
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::achievement_plugin::AchievementPlugin;
+    use crate::game_plugin::GamePlugin;
+    use crate::progress_plugin::ProgressPlugin;
+    use crate::settings_plugin::SettingsPlugin;
+    use crate::stats_plugin::StatsPlugin;
+    use crate::table_plugin::TablePlugin;
+
+    fn headless_app() -> App {
+        let mut app = App::new();
+        app.add_plugins(MinimalPlugins)
+            .add_plugins(GamePlugin)
+            .add_plugins(TablePlugin)
+            .add_plugins(StatsPlugin::headless())
+            .add_plugins(ProgressPlugin::headless())
+            .add_plugins(AchievementPlugin::headless())
+            .add_plugins(SettingsPlugin::headless())
+            .add_plugins(ProfilePlugin);
+        app.init_resource::<ButtonInput<KeyCode>>();
+        app.update();
+        app
+    }
+
+    #[test]
+    fn pressing_p_spawns_profile_screen() {
+        let mut app = headless_app();
+        assert_eq!(
+            app.world_mut()
+                .query::<&ProfileScreen>()
+                .iter(app.world())
+                .count(),
+            0
+        );
+        app.world_mut()
+            .resource_mut::<ButtonInput<KeyCode>>()
+            .press(KeyCode::KeyP);
+        app.update();
+        assert_eq!(
+            app.world_mut()
+                .query::<&ProfileScreen>()
+                .iter(app.world())
+                .count(),
+            1
+        );
+    }
+
+    #[test]
+    fn pressing_p_twice_closes_profile_screen() {
+        let mut app = headless_app();
+        app.world_mut()
+            .resource_mut::<ButtonInput<KeyCode>>()
+            .press(KeyCode::KeyP);
+        app.update();
+
+        {
+            let mut input = app.world_mut().resource_mut::<ButtonInput<KeyCode>>();
+            input.release(KeyCode::KeyP);
+            input.clear();
+            input.press(KeyCode::KeyP);
+        }
+        app.update();
+
+        assert_eq!(
+            app.world_mut()
+                .query::<&ProfileScreen>()
+                .iter(app.world())
+                .count(),
+            0
+        );
+    }
+
+    #[test]
+    fn xp_progress_at_zero() {
+        assert_eq!(xp_progress(0, 0), (500, 0));
+    }
+
+    #[test]
+    fn xp_progress_halfway_through_level_1() {
+        // Level 1 starts at 500 XP; span is 500.  At 750 XP: done = 250.
+        assert_eq!(xp_progress(750, 1), (500, 250));
+    }
+
+    #[test]
+    fn xp_progress_at_level_10() {
+        // Level 10 is the first post-table level (span = 1000, starts at 5000).
+        assert_eq!(xp_progress(5_000, 10), (1_000, 0));
+    }
+}
diff --git a/solitaire_engine/src/resources.rs b/solitaire_engine/src/resources.rs
index 3e75c0c..015d0b0 100644
--- a/solitaire_engine/src/resources.rs
+++ b/solitaire_engine/src/resources.rs
@@ -53,3 +53,17 @@ pub enum SyncStatus {
 /// Bevy resource wrapping the current `SyncStatus`.
 #[derive(Resource, Debug, Clone, Default)]
 pub struct SyncStatusResource(pub SyncStatus);
+
+/// Tracks which hint the player is currently cycling through.
+///
+/// Incremented on each H press so repeated presses reveal different moves.
+/// Reset to `0` whenever the game state changes (move, draw, undo, new game).
+#[derive(Resource, Debug, Clone, Default)]
+pub struct HintCycleIndex(pub usize);
+
+/// Remembers the vertical scroll offset of the Settings panel between open/close cycles.
+///
+/// Saved when the panel is despawned and restored on next spawn so the player
+/// returns to the same position in the list without re-scrolling.
+#[derive(Resource, Debug, Clone, Default)]
+pub struct SettingsScrollPos(pub f32);
diff --git a/solitaire_engine/src/selection_plugin.rs b/solitaire_engine/src/selection_plugin.rs
index fb09e07..7f46557 100644
--- a/solitaire_engine/src/selection_plugin.rs
+++ b/solitaire_engine/src/selection_plugin.rs
@@ -2,8 +2,15 @@
 //!
 //! Pressing `Tab` cycles through piles that have a face-up draggable top card.
 //! Pressing `Enter` or `Space` fires a [`MoveRequestEvent`] to the best
-//! available destination (foundation first, then tableau), then clears the
-//! selection. Pressing `Escape` clears the selection without moving.
+//! available destination using the following priority order, then clears the
+//! selection:
+//!
+//! 1. Move the top card to its best foundation (count = 1).
+//! 2. Move the full face-up run from the selected tableau pile to the best
+//!    tableau destination (count = run length).  Single-card stacks from
+//!    non-tableau piles fall back to [`best_destination`] for tableau targets.
+//!
+//! Pressing `Escape` clears the selection without moving.
 //!
 //! The selected card is highlighted by a cyan [`SelectionHighlight`] outline
 //! sprite parented to the selected card entity. The highlight is despawned when
@@ -15,9 +22,9 @@ use solitaire_core::card::Suit;
 use solitaire_core::pile::PileType;
 
 use crate::card_plugin::CardEntity;
-use crate::events::MoveRequestEvent;
+use crate::events::{InfoToastEvent, MoveRequestEvent};
 use crate::game_plugin::GameMutation;
-use crate::input_plugin::best_destination;
+use crate::input_plugin::{best_destination, best_tableau_destination_for_stack};
 use crate::layout::LayoutResource;
 use crate::pause_plugin::PausedResource;
 use crate::resources::GameStateResource;
@@ -115,17 +122,48 @@ pub fn cycle_next_pile(
     None
 }
 
+/// Returns `true` when cycling from `current` to `next` wraps around the
+/// available list — i.e., `next` appears at or before `current` in the global
+/// cycle order defined by [`cycled_piles`].
+///
+/// Both `current` and `next` must be `Some`; if either is `None` this returns
+/// `false`.
+fn did_wrap(
+    available: &[PileType],
+    current: Option<&PileType>,
+    next: Option<&PileType>,
+) -> bool {
+    let (Some(cur), Some(nxt)) = (current, next) else {
+        return false;
+    };
+    let order = cycled_piles();
+    // Position of each pile within the *available* subset, ordered by the
+    // global cycle order.
+    let pos_in_available = |target: &PileType| -> Option<usize> {
+        order
+            .iter()
+            .filter(|p| available.contains(p))
+            .position(|p| p == target)
+    };
+    match (pos_in_available(cur), pos_in_available(nxt)) {
+        (Some(cur_pos), Some(nxt_pos)) => nxt_pos <= cur_pos,
+        _ => false,
+    }
+}
+
 // ---------------------------------------------------------------------------
 // Systems
 // ---------------------------------------------------------------------------
 
 /// Handles Tab / Enter / Space / Escape for keyboard card selection.
+#[allow(clippy::too_many_arguments)]
 fn handle_selection_keys(
     keys: Res<ButtonInput<KeyCode>>,
     paused: Option<Res<PausedResource>>,
     game: Res<GameStateResource>,
     mut selection: ResMut<SelectionState>,
     mut moves: EventWriter<MoveRequestEvent>,
+    mut info_toast: EventWriter<InfoToastEvent>,
 ) {
     if paused.is_some_and(|p| p.0) {
         return;
@@ -160,8 +198,15 @@ fn handle_selection_keys(
 
     // Tab — cycle selection.
     if keys.just_pressed(KeyCode::Tab) {
-        selection.selected_pile =
-            cycle_next_pile(&available, selection.selected_pile.as_ref());
+        let next = cycle_next_pile(&available, selection.selected_pile.as_ref());
+        if next.is_none() {
+            info_toast.send(InfoToastEvent("No cards to select".to_string()));
+        } else if selection.selected_pile.is_some()
+            && did_wrap(&available, selection.selected_pile.as_ref(), next.as_ref())
+        {
+            info_toast.send(InfoToastEvent("Back to first card".to_string()));
+        }
+        selection.selected_pile = next;
         return;
     }
 
@@ -171,7 +216,12 @@ fn handle_selection_keys(
         return;
     }
 
-    // Enter / Space — execute move for the selected pile's top card.
+    // Enter / Space — execute move for the selected pile's top card (or full
+    // face-up run when the source is a tableau column).
+    //
+    // Priority:
+    //   1. Foundation move — always count = 1.
+    //   2. Tableau stack move — count = full face-up run length from the source.
     let activate =
         keys.just_pressed(KeyCode::Enter) || keys.just_pressed(KeyCode::Space);
     if activate {
@@ -183,6 +233,46 @@ fn handle_selection_keys(
                 .and_then(|p| p.cards.last())
                 .filter(|c| c.face_up)
             {
+                // --- Priority 1: foundation move (single card) ---
+                let foundation_dest = try_foundation_dest(card, &game.0);
+                if let Some(dest) = foundation_dest {
+                    moves.send(MoveRequestEvent {
+                        from: pile.clone(),
+                        to: dest,
+                        count: 1,
+                    });
+                    selection.selected_pile = None;
+                    return;
+                }
+
+                // --- Priority 2: tableau stack move ---
+                // Count the full contiguous face-up run in the source pile.
+                let run_len = face_up_run_len(game.0.piles.get(pile).map(|p| p.cards.as_slice()).unwrap_or(&[]));
+                let bottom_card = game
+                    .0
+                    .piles
+                    .get(pile)
+                    .and_then(|p| {
+                        let start = p.cards.len().saturating_sub(run_len);
+                        p.cards.get(start)
+                    });
+                if let Some(bottom) = bottom_card {
+                    if let Some((dest, count)) =
+                        best_tableau_destination_for_stack(bottom, pile, &game.0, run_len)
+                    {
+                        moves.send(MoveRequestEvent {
+                            from: pile.clone(),
+                            to: dest,
+                            count,
+                        });
+                        selection.selected_pile = None;
+                        return;
+                    }
+                }
+
+                // --- Fallback: single-card move to any destination ---
+                // Covers non-tableau sources (Waste, Foundation) that have no
+                // stack-move logic.
                 if let Some(dest) = best_destination(card, &game.0) {
                     moves.send(MoveRequestEvent {
                         from: pile.clone(),
@@ -196,6 +286,49 @@ fn handle_selection_keys(
     }
 }
 
+// ---------------------------------------------------------------------------
+// Private helpers
+// ---------------------------------------------------------------------------
+
+/// Count the contiguous face-up cards at the top of `cards`.
+///
+/// Walks backwards from the last element and stops at the first face-down card
+/// (or when the slice is exhausted). Returns at least `1` when the top card is
+/// face-up; returns `0` for an empty slice or when the top card is face-down.
+fn face_up_run_len(cards: &[solitaire_core::card::Card]) -> usize {
+    let mut count = 0;
+    for card in cards.iter().rev() {
+        if card.face_up {
+            count += 1;
+        } else {
+            break;
+        }
+    }
+    count
+}
+
+/// Find the best foundation destination for `card` — returns the first
+/// foundation pile that legally accepts the card, or `None`.
+///
+/// This is intentionally separated from [`best_destination`] so the Enter
+/// handler can attempt a foundation move first and fall through to a
+/// multi-card stack move rather than accepting a single-card tableau move.
+fn try_foundation_dest(
+    card: &solitaire_core::card::Card,
+    game: &solitaire_core::game_state::GameState,
+) -> Option<PileType> {
+    use solitaire_core::rules::can_place_on_foundation;
+    for suit in [Suit::Clubs, Suit::Diamonds, Suit::Hearts, Suit::Spades] {
+        let dest = PileType::Foundation(suit);
+        if let Some(pile) = game.piles.get(&dest) {
+            if can_place_on_foundation(card, pile, suit) {
+                return Some(dest);
+            }
+        }
+    }
+    None
+}
+
 /// Maintains the `SelectionHighlight` outline sprite.
 ///
 /// When a pile is selected, a cyan sprite is placed at the selected card's
@@ -310,10 +443,97 @@ mod tests {
         assert!(result.is_none());
     }
 
+    // -----------------------------------------------------------------------
+    // Task #59 — wrap detection: 3 piles, Tab ×3 fires wrap on third press
+    // -----------------------------------------------------------------------
+
+    /// Simulate three Tab presses over [Waste, Tableau(0), Tableau(1)].
+    ///
+    /// Press 1: None  → Waste       — no wrap (started from nothing)
+    /// Press 2: Waste → Tableau(0)  — no wrap (advancing forward)
+    /// Press 3: T(0)  → Tableau(1)  — no wrap (still advancing forward)
+    /// (A fourth press would wrap T(1) → Waste.)
+    #[test]
+    fn wrap_detected_on_third_tab_with_three_piles() {
+        let available = piles_from(&["Waste", "T0", "T1"]);
+
+        // Press 1: no current selection → first pile, no wrap.
+        let sel1 = cycle_next_pile(&available, None);
+        assert_eq!(sel1, Some(PileType::Waste));
+        assert!(!did_wrap(&available, None, sel1.as_ref()), "first Tab should not wrap");
+
+        // Press 2: Waste → Tableau(0), no wrap.
+        let sel2 = cycle_next_pile(&available, sel1.as_ref());
+        assert_eq!(sel2, Some(PileType::Tableau(0)));
+        assert!(!did_wrap(&available, sel1.as_ref(), sel2.as_ref()), "second Tab should not wrap");
+
+        // Press 3: Tableau(0) → Tableau(1), still no wrap.
+        let sel3 = cycle_next_pile(&available, sel2.as_ref());
+        assert_eq!(sel3, Some(PileType::Tableau(1)));
+        assert!(!did_wrap(&available, sel2.as_ref(), sel3.as_ref()), "third Tab (T0→T1) should not wrap");
+
+        // Press 4: Tableau(1) → Waste, this IS the wrap.
+        let sel4 = cycle_next_pile(&available, sel3.as_ref());
+        assert_eq!(sel4, Some(PileType::Waste));
+        assert!(did_wrap(&available, sel3.as_ref(), sel4.as_ref()), "fourth Tab should wrap back to Waste");
+    }
+
     #[test]
     fn cycle_next_pile_single_element_wraps_to_itself() {
         let available = vec![PileType::Waste];
         let result = cycle_next_pile(&available, Some(&PileType::Waste));
         assert_eq!(result, Some(PileType::Waste));
     }
+
+    // -----------------------------------------------------------------------
+    // Task #8 — face_up_run_len pure-function tests
+    // -----------------------------------------------------------------------
+
+    #[test]
+    fn face_up_run_len_empty_slice_is_zero() {
+        assert_eq!(face_up_run_len(&[]), 0);
+    }
+
+    #[test]
+    fn face_up_run_len_all_face_up() {
+        use solitaire_core::card::{Card, Rank, Suit};
+        let cards = vec![
+            Card { id: 0, suit: Suit::Clubs, rank: Rank::King, face_up: true },
+            Card { id: 1, suit: Suit::Hearts, rank: Rank::Queen, face_up: true },
+            Card { id: 2, suit: Suit::Spades, rank: Rank::Jack, face_up: true },
+        ];
+        assert_eq!(face_up_run_len(&cards), 3);
+    }
+
+    #[test]
+    fn face_up_run_len_mixed_stops_at_face_down() {
+        use solitaire_core::card::{Card, Rank, Suit};
+        let cards = vec![
+            Card { id: 0, suit: Suit::Clubs, rank: Rank::King, face_up: false },
+            Card { id: 1, suit: Suit::Hearts, rank: Rank::Queen, face_up: false },
+            Card { id: 2, suit: Suit::Spades, rank: Rank::Jack, face_up: true },
+            Card { id: 3, suit: Suit::Diamonds, rank: Rank::Ten, face_up: true },
+        ];
+        // Only the top two cards are face-up.
+        assert_eq!(face_up_run_len(&cards), 2);
+    }
+
+    #[test]
+    fn face_up_run_len_top_card_face_down_is_zero() {
+        use solitaire_core::card::{Card, Rank, Suit};
+        let cards = vec![
+            Card { id: 0, suit: Suit::Clubs, rank: Rank::King, face_up: true },
+            Card { id: 1, suit: Suit::Hearts, rank: Rank::Queen, face_up: false },
+        ];
+        assert_eq!(face_up_run_len(&cards), 0);
+    }
+
+    #[test]
+    fn face_up_run_len_single_face_up_card() {
+        use solitaire_core::card::{Card, Rank, Suit};
+        let cards = vec![
+            Card { id: 0, suit: Suit::Hearts, rank: Rank::Ace, face_up: true },
+        ];
+        assert_eq!(face_up_run_len(&cards), 1);
+    }
 }
diff --git a/solitaire_engine/src/settings_plugin.rs b/solitaire_engine/src/settings_plugin.rs
index 606c260..a79ed47 100644
--- a/solitaire_engine/src/settings_plugin.rs
+++ b/solitaire_engine/src/settings_plugin.rs
@@ -18,7 +18,7 @@ use solitaire_data::{load_settings_from, save_settings_to, settings_file_path, s
 
 use crate::events::ManualSyncRequestEvent;
 use crate::progress_plugin::ProgressResource;
-use crate::resources::{SyncStatus, SyncStatusResource};
+use crate::resources::{SettingsScrollPos, SyncStatus, SyncStatusResource};
 
 /// Volume adjustment step applied by the `[` / `]` hotkeys.
 pub const SFX_STEP: f32 = 0.1;
@@ -83,6 +83,10 @@ struct ColorBlindText;
 #[derive(Component, Debug)]
 struct SettingsPanelScrollable;
 
+/// Marks the scrollable inner card so its `ScrollPosition` can be read before despawn.
+#[derive(Component, Debug)]
+struct SettingsScrollNode;
+
 /// Tags interactive buttons inside the Settings panel.
 #[derive(Component, Debug)]
 enum SettingsButton {
@@ -139,6 +143,7 @@ impl Plugin for SettingsPlugin {
         app.insert_resource(SettingsResource(loaded))
             .insert_resource(SettingsStoragePath(self.storage_path.clone()))
             .init_resource::<SettingsScreen>()
+            .init_resource::<SettingsScrollPos>()
             .add_event::<SettingsChangedEvent>()
             .add_event::<ManualSyncRequestEvent>()
             .add_event::<bevy::input::mouse::MouseWheel>()
@@ -213,9 +218,12 @@ fn toggle_settings_screen(
 
 /// Spawns the Settings panel when `SettingsScreen` becomes `true`;
 /// despawns it when it becomes `false`.
+#[allow(clippy::too_many_arguments)]
 fn sync_settings_panel_visibility(
     screen: Res<SettingsScreen>,
     panels: Query<Entity, With<SettingsPanel>>,
+    scroll_nodes: Query<&ScrollPosition, With<SettingsScrollNode>>,
+    mut scroll_pos: ResMut<SettingsScrollPos>,
     mut commands: Commands,
     settings: Res<SettingsResource>,
     sync_status: Option<Res<SyncStatusResource>>,
@@ -243,9 +251,14 @@ fn sync_settings_panel_visibility(
                 &status_label,
                 unlocked_backs,
                 unlocked_bgs,
+                scroll_pos.0,
             );
         }
     } else {
+        // Save the current scroll offset before despawning the panel.
+        if let Ok(sp) = scroll_nodes.get_single() {
+            scroll_pos.0 = sp.offset_y;
+        }
         for entity in &panels {
             commands.entity(entity).despawn_recursive();
         }
@@ -557,6 +570,7 @@ fn spawn_settings_panel(
     sync_status: &str,
     unlocked_card_backs: &[usize],
     unlocked_backgrounds: &[usize],
+    scroll_offset: f32,
 ) {
     commands
         .spawn((
@@ -580,7 +594,8 @@ fn spawn_settings_panel(
             // on small windows by scrolling with the mouse wheel.
             root.spawn((
                 SettingsPanelScrollable,
-                ScrollPosition::default(),
+                SettingsScrollNode,
+                ScrollPosition { offset_y: scroll_offset, ..default() },
                 Node {
                     flex_direction: FlexDirection::Column,
                     padding: UiRect::all(Val::Px(28.0)),
diff --git a/solitaire_engine/src/stats_plugin.rs b/solitaire_engine/src/stats_plugin.rs
index 305aa4a..ea797d3 100644
--- a/solitaire_engine/src/stats_plugin.rs
+++ b/solitaire_engine/src/stats_plugin.rs
@@ -15,6 +15,7 @@ use solitaire_data::{
     WEEKLY_GOALS,
 };
 
+use crate::auto_complete_plugin::AutoCompleteState;
 use crate::challenge_plugin::challenge_progress_label;
 use crate::events::{ForfeitEvent, GameWonEvent, InfoToastEvent, NewGameRequestEvent};
 use crate::game_plugin::GameMutation;
@@ -128,17 +129,25 @@ fn update_stats_on_new_game(
     game: Res<GameStateResource>,
     mut stats: ResMut<StatsResource>,
     path: Res<StatsStoragePath>,
+    mut toast: EventWriter<InfoToastEvent>,
 ) {
     for _ in events.read() {
         if game.0.move_count > 0 && !game.0.is_won {
+            let streak = stats.0.win_streak_current;
             stats.0.record_abandoned();
             persist(&path, &stats.0, "abandoned game");
+            if streak > 1 {
+                toast.send(InfoToastEvent(format!("Streak of {streak} broken!")));
+            }
         }
     }
 }
 
 /// When the player presses G to forfeit, record the game as abandoned, save
 /// stats, fire an informational toast, and start a new game.
+///
+/// `AutoCompleteState` is reset here so the "AUTO" badge and chime do not bleed
+/// into the new deal (task #41).
 fn handle_forfeit(
     mut events: EventReader<ForfeitEvent>,
     game: Res<GameStateResource>,
@@ -146,11 +155,21 @@ fn handle_forfeit(
     path: Res<StatsStoragePath>,
     mut new_game: EventWriter<NewGameRequestEvent>,
     mut toast: EventWriter<InfoToastEvent>,
+    mut auto_complete: Option<ResMut<AutoCompleteState>>,
 ) {
     for _ in events.read() {
         if game.0.move_count > 0 && !game.0.is_won {
+            let streak = stats.0.win_streak_current;
             stats.0.record_abandoned();
             persist(&path, &stats.0, "forfeit");
+            if streak > 1 {
+                toast.send(InfoToastEvent(format!("Streak of {streak} broken!")));
+            }
+        }
+        // Reset auto-complete so the badge and chime don't carry over to the
+        // new game that is about to start.
+        if let Some(ref mut ac) = auto_complete {
+            **ac = AutoCompleteState::default();
         }
         toast.send(InfoToastEvent("Game forfeited".to_string()));
         new_game.send(NewGameRequestEvent::default());
@@ -186,12 +205,13 @@ fn spawn_stats_screen(
     progress: Option<&PlayerProgress>,
     time_attack: Option<&TimeAttackResource>,
 ) {
-    // --- primary stat cells (tasks #65 and #66) ---
+    // --- primary stat cells (tasks #65, #66, and #38) ---
     let win_rate_str  = format_win_rate(stats);
     let played_str    = format_stat_value(stats.games_played);
     let won_str       = format_stat_value(stats.games_won);
     let lost_str      = format_stat_value(stats.games_lost);
     let fastest_str   = format_fastest_win(stats.fastest_win_seconds);
+    let avg_time_str  = format_avg_time(stats);
     let best_score_str = format_optional_u32(stats.best_single_score);
     let best_streak_str = format_stat_value(stats.win_streak_best);
 
@@ -241,6 +261,7 @@ fn spawn_stats_screen(
                 spawn_stat_cell(grid, &won_str,         "Games Won");
                 spawn_stat_cell(grid, &lost_str,        "Games Lost");
                 spawn_stat_cell(grid, &fastest_str,     "Fastest Win");
+                spawn_stat_cell(grid, &avg_time_str,    "Avg Time");
                 spawn_stat_cell(grid, &best_score_str,  "Best Score");
                 spawn_stat_cell(grid, &best_streak_str, "Best Streak");
             });
@@ -380,6 +401,18 @@ pub fn format_fastest_win(fastest_win_seconds: u64) -> String {
     }
 }
 
+/// Format `avg_time_seconds` for display.
+///
+/// Returns `"—"` when no games have been won yet (`games_won == 0`), otherwise
+/// delegates to [`format_duration`].
+pub fn format_avg_time(stats: &StatsSnapshot) -> String {
+    if stats.games_won == 0 {
+        "\u{2014}".to_string()
+    } else {
+        format_duration(stats.avg_time_seconds)
+    }
+}
+
 /// Format an optional `u32` statistic.
 ///
 /// Returns `"—"` when `value` is `0`, otherwise the decimal representation.
@@ -417,13 +450,13 @@ fn xp_to_next_level_label(total_xp: u64, level: u32) -> String {
     format!("{remaining} XP ({pct}%)")
 }
 
-/// Format a duration given in whole seconds as `"Mm SSs"`.
+/// Format a duration given in whole seconds as `"M:SS"`.
 ///
-/// Example: `90` → `"1m 30s"`.
+/// Example: `90` → `"1:30"`.
 pub fn format_duration(secs: u64) -> String {
     let m = secs / 60;
     let s = secs % 60;
-    format!("{m}m {s:02}s")
+    format!("{m}:{s:02}")
 }
 
 /// Renders a sorted, comma-separated list of unlock indexes for the overlay.
@@ -630,22 +663,22 @@ mod tests {
 
     #[test]
     fn format_duration_zero_seconds() {
-        assert_eq!(format_duration(0), "0m 00s");
+        assert_eq!(format_duration(0), "0:00");
     }
 
     #[test]
     fn format_duration_pads_seconds_to_two_digits() {
-        assert_eq!(format_duration(65), "1m 05s");
+        assert_eq!(format_duration(65), "1:05");
     }
 
     #[test]
     fn format_duration_exactly_one_hour() {
-        assert_eq!(format_duration(3600), "60m 00s");
+        assert_eq!(format_duration(3600), "60:00");
     }
 
     #[test]
     fn format_duration_handles_sub_minute() {
-        assert_eq!(format_duration(59), "0m 59s");
+        assert_eq!(format_duration(59), "0:59");
     }
 
     // -----------------------------------------------------------------------
@@ -687,8 +720,8 @@ mod tests {
 
     #[test]
     fn format_fastest_win_90s() {
-        // 90 seconds → "1m 30s"
-        assert_eq!(format_fastest_win(90), "1m 30s");
+        // 90 seconds → "1:30"
+        assert_eq!(format_fastest_win(90), "1:30");
     }
 
     #[test]
@@ -696,4 +729,100 @@ mod tests {
         // best_single_score == 0 → "—"
         assert_eq!(format_optional_u32(0), "\u{2014}");
     }
+
+    // -----------------------------------------------------------------------
+    // Task #38 — avg time pure-function tests
+    // -----------------------------------------------------------------------
+
+    #[test]
+    fn format_avg_time_no_wins_shows_dash() {
+        // games_won == 0 → "—"
+        let s = StatsSnapshot::default();
+        assert_eq!(format_avg_time(&s), "\u{2014}");
+    }
+
+    #[test]
+    fn format_avg_time_after_single_win() {
+        // After one win of 90 s avg should be "1:30"
+        let s = StatsSnapshot {
+            games_won: 1,
+            avg_time_seconds: 90,
+            ..StatsSnapshot::default()
+        };
+        assert_eq!(format_avg_time(&s), "1:30");
+    }
+
+    #[test]
+    fn format_avg_time_after_multiple_wins() {
+        // avg_time_seconds = 200 s → "3:20"
+        let s = StatsSnapshot {
+            games_won: 3,
+            avg_time_seconds: 200,
+            ..StatsSnapshot::default()
+        };
+        assert_eq!(format_avg_time(&s), "3:20");
+    }
+
+    // -----------------------------------------------------------------------
+    // Task #49 — streak-broken toast on forfeit
+    // -----------------------------------------------------------------------
+
+    #[test]
+    fn forfeit_with_streak_fires_streak_broken_toast() {
+        let mut app = headless_app();
+
+        // Set up a streak of 3 and at least one move so forfeit counts.
+        {
+            let mut stats = app.world_mut().resource_mut::<StatsResource>();
+            stats.0.win_streak_current = 3;
+        }
+        app.world_mut()
+            .resource_mut::<crate::resources::GameStateResource>()
+            .0
+            .move_count = 1;
+
+        app.world_mut().send_event(ForfeitEvent);
+        app.update();
+
+        let events = app.world().resource::<Events<InfoToastEvent>>();
+        let mut reader = events.get_cursor();
+        let messages: Vec<&str> = reader
+            .read(events)
+            .map(|e| e.0.as_str())
+            .collect();
+
+        assert!(
+            messages.iter().any(|m| *m == "Streak of 3 broken!"),
+            "expected 'Streak of 3 broken!' in toasts, got: {messages:?}"
+        );
+    }
+
+    #[test]
+    fn forfeit_with_streak_of_one_does_not_fire_streak_broken_toast() {
+        let mut app = headless_app();
+
+        {
+            let mut stats = app.world_mut().resource_mut::<StatsResource>();
+            stats.0.win_streak_current = 1;
+        }
+        app.world_mut()
+            .resource_mut::<crate::resources::GameStateResource>()
+            .0
+            .move_count = 1;
+
+        app.world_mut().send_event(ForfeitEvent);
+        app.update();
+
+        let events = app.world().resource::<Events<InfoToastEvent>>();
+        let mut reader = events.get_cursor();
+        let messages: Vec<&str> = reader
+            .read(events)
+            .map(|e| e.0.as_str())
+            .collect();
+
+        assert!(
+            !messages.iter().any(|m| m.contains("broken")),
+            "expected no streak-broken toast for streak of 1, got: {messages:?}"
+        );
+    }
 }
diff --git a/solitaire_engine/src/win_summary_plugin.rs b/solitaire_engine/src/win_summary_plugin.rs
index a03a974..62a24e2 100644
--- a/solitaire_engine/src/win_summary_plugin.rs
+++ b/solitaire_engine/src/win_summary_plugin.rs
@@ -11,9 +11,16 @@
 //! shake duration elapses.
 
 use bevy::prelude::*;
+use solitaire_core::game_state::GameMode;
 
-use crate::events::{GameWonEvent, NewGameRequestEvent, XpAwardedEvent};
+use crate::achievement_plugin::display_name_for;
+use crate::events::{
+    AchievementUnlockedEvent, GameWonEvent, InfoToastEvent, NewGameRequestEvent, XpAwardedEvent,
+};
 use crate::game_plugin::GameMutation;
+use crate::progress_plugin::ProgressResource;
+use crate::resources::GameStateResource;
+use crate::stats_plugin::{StatsResource, StatsUpdate};
 
 // ---------------------------------------------------------------------------
 // Constants
@@ -44,6 +51,47 @@ pub struct WinSummaryPending {
     pub time_seconds: u64,
     /// XP awarded from the most recent `XpAwardedEvent` (0 until that event fires).
     pub xp: u64,
+    /// Human-readable breakdown of the XP components for the most recent win,
+    /// e.g. `"+50 base  +25 no-undo  +30 speed"`. Empty until `GameWonEvent`
+    /// populates it.
+    pub xp_detail: String,
+    /// Whether this win beat the player's previous best score or fastest time.
+    ///
+    /// Captured from `StatsResource` **before** `StatsUpdate` mutates it so
+    /// the comparison reflects the old personal-best values.
+    pub new_record: bool,
+    /// When the winning game was a Challenge-mode run, holds the 1-based
+    /// human-readable level number that was just completed (e.g. `Some(3)`
+    /// means "Challenge 3"). `None` for non-Challenge modes.
+    pub challenge_level: Option<u32>,
+}
+
+/// Builds a human-readable XP breakdown string for the win modal.
+///
+/// Mirrors the logic in `solitaire_data::xp_for_win` so the breakdown always
+/// matches the total shown on the `XpAwardedEvent`.
+///
+/// Examples:
+/// - slow win, no undo  → `"+50 base  +25 no-undo"`
+/// - fast win, undo     → `"+50 base  +30 speed"`
+/// - fast win, no undo  → `"+50 base  +25 no-undo  +30 speed"`
+fn build_xp_detail(time_seconds: u64, used_undo: bool) -> String {
+    let speed_bonus: u64 = if time_seconds >= 120 {
+        0
+    } else {
+        let scaled = 50_u64.saturating_sub(time_seconds.saturating_mul(40) / 120);
+        scaled.max(10)
+    };
+    let no_undo_bonus: u64 = if used_undo { 0 } else { 25 };
+
+    let mut parts = vec!["+50 base".to_string()];
+    if no_undo_bonus > 0 {
+        parts.push("+25 no-undo".to_string());
+    }
+    if speed_bonus > 0 {
+        parts.push(format!("+{speed_bonus} speed"));
+    }
+    parts.join("  ")
 }
 
 /// Drives the camera shake effect after a win.
@@ -59,6 +107,32 @@ pub struct ScreenShakeResource {
     pub intensity: f32,
 }
 
+/// Tracks the human-readable names of every achievement unlocked during the
+/// current game session.
+///
+/// Populated by `collect_session_achievements` from `AchievementUnlockedEvent`s
+/// and cleared whenever `NewGameRequestEvent` fires so each new game starts
+/// with a fresh list. This includes all implicit game-context resets triggered
+/// by mode-switch keys:
+///
+/// | Key | Mode | Event fired |
+/// |-----|------|-------------|
+/// | Z   | Zen                   | `NewGameRequestEvent { mode: Some(Zen), .. }` |
+/// | X   | Challenge             | `NewGameRequestEvent { mode: Some(Challenge), .. }` |
+/// | C   | Daily Challenge       | `NewGameRequestEvent { seed: Some(..), mode: None }` |
+/// | T   | Time Attack           | `NewGameRequestEvent { mode: Some(TimeAttack), .. }` |
+///
+/// Because every mode switch routes through `NewGameRequestEvent`,
+/// `collect_session_achievements` clears this list for all of them.
+/// The win-summary modal reads this resource to display an
+/// "Achievements Unlocked" section.
+#[derive(Resource, Debug, Clone, Default)]
+pub struct SessionAchievements {
+    /// Display names (not IDs) of achievements unlocked this session, in
+    /// unlock order.
+    pub names: Vec<String>,
+}
+
 // ---------------------------------------------------------------------------
 // Components
 // ---------------------------------------------------------------------------
@@ -84,13 +158,24 @@ impl Plugin for WinSummaryPlugin {
     fn build(&self, app: &mut App) {
         app.init_resource::<WinSummaryPending>()
             .init_resource::<ScreenShakeResource>()
+            .init_resource::<SessionAchievements>()
             .add_event::<GameWonEvent>()
             .add_event::<XpAwardedEvent>()
             .add_event::<NewGameRequestEvent>()
+            .add_event::<InfoToastEvent>()
+            .add_event::<AchievementUnlockedEvent>()
+            // `cache_win_data` must run BEFORE `StatsUpdate` so it can compare
+            // the player's old personal-best values before `StatsPlugin` overwrites them.
+            .add_systems(
+                Update,
+                cache_win_data
+                    .after(GameMutation)
+                    .before(StatsUpdate),
+            )
             .add_systems(
                 Update,
                 (
-                    cache_win_data,
+                    collect_session_achievements,
                     spawn_win_summary_after_delay,
                     handle_win_summary_buttons,
                     apply_screen_shake,
@@ -124,31 +209,105 @@ pub fn format_win_time(seconds: u64) -> String {
 
 /// Caches score/time from `GameWonEvent` and XP from `XpAwardedEvent` into
 /// `WinSummaryPending` so they are available when the modal spawns.
+///
+/// Also compares the win result against the player's previous personal bests
+/// **before** `StatsUpdate` overwrites them, setting `WinSummaryPending::new_record`
+/// and queuing an `InfoToastEvent` when the player sets a new record.
+///
+/// When the winning game is in `GameMode::Challenge`, the current
+/// `challenge_index` (before `ChallengePlugin` advances it) is captured as the
+/// 1-based level number and stored in `WinSummaryPending::challenge_level`.
+///
+/// This system is scheduled `.before(StatsUpdate)` so the comparison always
+/// sees the old best values.
 fn cache_win_data(
     mut won: EventReader<GameWonEvent>,
     mut xp: EventReader<XpAwardedEvent>,
     mut pending: ResMut<WinSummaryPending>,
+    stats: Res<StatsResource>,
+    game: Res<GameStateResource>,
+    progress: Res<ProgressResource>,
+    mut toast: EventWriter<InfoToastEvent>,
 ) {
     for ev in won.read() {
+        // Compare against old personal bests BEFORE StatsPlugin updates them.
+        // `best_single_score == 0` means no wins yet — any positive score is a record.
+        // `fastest_win_seconds == u64::MAX` is the sentinel for "no wins yet".
+        let beats_score = ev.score > 0 && ev.score as u32 > stats.0.best_single_score;
+        let beats_time = stats.0.fastest_win_seconds == u64::MAX
+            || ev.time_seconds < stats.0.fastest_win_seconds;
+        let is_new_record = beats_score || beats_time;
+
+        // Capture the challenge level (1-based) before ChallengePlugin advances
+        // the index. Only populated for Challenge-mode wins.
+        let challenge_level = if game.0.mode == GameMode::Challenge {
+            Some(progress.0.challenge_index.saturating_add(1))
+        } else {
+            None
+        };
+
+        let used_undo = game.0.undo_count > 0;
         pending.score = ev.score;
         pending.time_seconds = ev.time_seconds;
         pending.xp = 0; // reset; XP event follows
+        pending.xp_detail = build_xp_detail(ev.time_seconds, used_undo);
+        pending.new_record = is_new_record;
+        pending.challenge_level = challenge_level;
+
+        if is_new_record {
+            toast.send(InfoToastEvent("New Record!".to_string()));
+        }
     }
     for ev in xp.read() {
         pending.xp = ev.amount;
     }
 }
 
+/// Accumulates achievement names unlocked this session and resets them on a new game.
+///
+/// Listens for `AchievementUnlockedEvent` and appends the human-readable name
+/// of each newly unlocked achievement to `SessionAchievements`. Clears the list
+/// whenever `NewGameRequestEvent` fires so each fresh game starts clean.
+///
+/// All mode-switch keys (Z → Zen, X → Challenge, C → Daily Challenge,
+/// T → Time Attack) route through `NewGameRequestEvent`, so this single
+/// reader covers every implicit game-context reset in addition to the
+/// explicit N / "Play Again" new-game requests.
+fn collect_session_achievements(
+    mut unlocks: EventReader<AchievementUnlockedEvent>,
+    mut new_games: EventReader<NewGameRequestEvent>,
+    mut session: ResMut<SessionAchievements>,
+) {
+    // Reset on any new-game request (including mode switches via Z/X/C/T) so
+    // achievements from the previous session are not carried into the next one.
+    if new_games.read().last().is_some() {
+        session.names.clear();
+    }
+    for ev in unlocks.read() {
+        session.names.push(display_name_for(&ev.0.id));
+    }
+}
+
 /// After `GameWonEvent`, arms the screen-shake resource.
 ///
 /// This system shares the `GameWonEvent` stream with `cache_win_data` through
 /// the delay timer stored in `Local` — the shake fires immediately, while the
 /// modal waits 0.5 s.
+///
+/// Just before the overlay is spawned the system also drains any pending
+/// `XpAwardedEvent`s and folds their amounts into `pending.xp`.  This guards
+/// against the edge case where `XpAwardedEvent` arrives in the same frame as
+/// the timer fires but `cache_win_data` runs *after* this system in that
+/// frame's schedule, which would otherwise leave `pending.xp` at 0 when
+/// `spawn_overlay` reads it.
+#[allow(clippy::too_many_arguments)]
 fn spawn_win_summary_after_delay(
     mut commands: Commands,
     mut won: EventReader<GameWonEvent>,
+    mut xp_events: EventReader<XpAwardedEvent>,
     mut shake: ResMut<ScreenShakeResource>,
-    pending: Res<WinSummaryPending>,
+    mut pending: ResMut<WinSummaryPending>,
+    session: Res<SessionAchievements>,
     time: Res<Time>,
     overlays: Query<Entity, With<WinSummaryOverlay>>,
     mut delay: Local<Option<f32>>,
@@ -173,7 +332,15 @@ fn spawn_win_summary_after_delay(
             *delay = None;
             // Only spawn if there is no overlay already.
             if overlays.is_empty() {
-                spawn_overlay(&mut commands, &pending);
+                // Drain any XpAwardedEvents that arrived this frame but were
+                // not yet consumed by `cache_win_data` (which may run later in
+                // the same schedule).  Accumulating here ensures the modal
+                // never shows "XP: +0" due to a same-frame ordering race.
+                for ev in xp_events.read() {
+                    pending.xp = pending.xp.saturating_add(ev.amount);
+                }
+                let challenge_level = pending.challenge_level;
+                spawn_overlay(&mut commands, &pending, &session, challenge_level);
             }
         }
     }
@@ -240,7 +407,16 @@ fn apply_screen_shake(
 // UI construction
 // ---------------------------------------------------------------------------
 
-fn spawn_overlay(commands: &mut Commands, pending: &WinSummaryPending) {
+/// Spawns the full-screen win-summary modal.
+///
+/// `challenge_level` is `Some(N)` when the win was a Challenge-mode completion;
+/// a "Challenge N complete!" annotation is added to the modal header in that case.
+fn spawn_overlay(
+    commands: &mut Commands,
+    pending: &WinSummaryPending,
+    session: &SessionAchievements,
+    challenge_level: Option<u32>,
+) {
     commands
         .spawn((
             WinSummaryOverlay,
@@ -279,6 +455,25 @@ fn spawn_overlay(commands: &mut Commands, pending: &WinSummaryPending) {
                     TextColor(Color::srgb(1.0, 0.87, 0.0)),
                 ));
 
+                // Challenge-mode annotation — shown only for Challenge wins.
+                if let Some(level) = challenge_level {
+                    card.spawn((
+                        Text::new(format!("Challenge {level} complete!")),
+                        TextFont { font_size: 28.0, ..default() },
+                        TextColor(Color::srgb(0.4, 0.85, 1.0)),
+                    ));
+                }
+
+                // New Record badge — shown only when the player beats their
+                // previous best score or fastest win time.
+                if pending.new_record {
+                    card.spawn((
+                        Text::new("New Record!"),
+                        TextFont { font_size: 26.0, ..default() },
+                        TextColor(Color::srgb(1.0, 0.55, 0.0)),
+                    ));
+                }
+
                 // Score
                 card.spawn((
                     Text::new(format!("Score: {}", pending.score)),
@@ -293,13 +488,28 @@ fn spawn_overlay(commands: &mut Commands, pending: &WinSummaryPending) {
                     TextColor(Color::WHITE),
                 ));
 
-                // XP
+                // XP total
                 card.spawn((
                     Text::new(format!("XP earned: +{}", pending.xp)),
                     TextFont { font_size: 22.0, ..default() },
                     TextColor(Color::srgb(0.4, 1.0, 0.4)),
                 ));
 
+                // XP breakdown (smaller, dimmer text)
+                if !pending.xp_detail.is_empty() {
+                    card.spawn((
+                        Text::new(pending.xp_detail.clone()),
+                        TextFont { font_size: 15.0, ..default() },
+                        TextColor(Color::srgb(0.55, 0.80, 0.55)),
+                    ));
+                }
+
+                // Achievements unlocked this game — at most 3 shown explicitly;
+                // excess is summarised with "...and N more".
+                if !session.names.is_empty() {
+                    spawn_achievements_section(card, &session.names);
+                }
+
                 // Play Again button
                 card.spawn((
                     WinSummaryButton::PlayAgain,
@@ -324,6 +534,41 @@ fn spawn_overlay(commands: &mut Commands, pending: &WinSummaryPending) {
         });
 }
 
+/// Maximum number of achievement names shown explicitly in the win modal before
+/// the overflow "...and N more" line is shown instead.
+const MAX_ACHIEVEMENTS_SHOWN: usize = 3;
+
+/// Spawns the "Achievements Unlocked" sub-section inside the win modal card.
+///
+/// Shows at most [`MAX_ACHIEVEMENTS_SHOWN`] names. When more achievements were
+/// unlocked than the cap, appends a "...and N more" line so the player knows
+/// there are additional unlocks visible on the achievements screen.
+fn spawn_achievements_section(card: &mut ChildBuilder, names: &[String]) {
+    card.spawn((
+        Text::new("Achievements Unlocked"),
+        TextFont { font_size: 18.0, ..default() },
+        TextColor(Color::srgb(1.0, 0.87, 0.0)),
+    ));
+
+    let shown = names.len().min(MAX_ACHIEVEMENTS_SHOWN);
+    for name in &names[..shown] {
+        card.spawn((
+            Text::new(format!("  {name}")),
+            TextFont { font_size: 16.0, ..default() },
+            TextColor(Color::srgb(0.9, 0.9, 0.9)),
+        ));
+    }
+
+    let overflow = names.len().saturating_sub(MAX_ACHIEVEMENTS_SHOWN);
+    if overflow > 0 {
+        card.spawn((
+            Text::new(format!("  ...and {overflow} more")),
+            TextFont { font_size: 15.0, ..default() },
+            TextColor(Color::srgb(0.6, 0.6, 0.65)),
+        ));
+    }
+}
+
 // ---------------------------------------------------------------------------
 // Tests
 // ---------------------------------------------------------------------------
@@ -331,6 +576,22 @@ fn spawn_overlay(commands: &mut Commands, pending: &WinSummaryPending) {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use solitaire_core::game_state::GameState;
+    use solitaire_data::{PlayerProgress, StatsSnapshot};
+
+    /// Build a minimal app with `WinSummaryPlugin` and all resources required
+    /// by `cache_win_data`: `StatsResource`, `GameStateResource`, and
+    /// `ProgressResource`.
+    fn make_app() -> App {
+        let mut app = App::new();
+        app.add_plugins(MinimalPlugins)
+            .add_plugins(WinSummaryPlugin)
+            .insert_resource(StatsResource(StatsSnapshot::default()))
+            .insert_resource(GameStateResource(GameState::new(0, solitaire_core::game_state::DrawMode::DrawOne)))
+            .insert_resource(ProgressResource(PlayerProgress::default()));
+        app.update();
+        app
+    }
 
     #[test]
     fn format_win_time_zero() {
@@ -370,24 +631,129 @@ mod tests {
         assert_eq!(p.score, 0);
         assert_eq!(p.time_seconds, 0);
         assert_eq!(p.xp, 0);
+        assert!(p.xp_detail.is_empty());
+        assert!(!p.new_record);
+        assert!(p.challenge_level.is_none());
+    }
+
+    #[test]
+    fn build_xp_detail_slow_win_with_undo() {
+        // 300s >= 120s → no speed bonus; undo used → no no-undo bonus.
+        let detail = build_xp_detail(300, true);
+        assert_eq!(detail, "+50 base");
+    }
+
+    #[test]
+    fn build_xp_detail_slow_win_no_undo() {
+        let detail = build_xp_detail(300, false);
+        assert_eq!(detail, "+50 base  +25 no-undo");
+    }
+
+    #[test]
+    fn build_xp_detail_fast_win_with_undo() {
+        // 0s → speed bonus 50.
+        let detail = build_xp_detail(0, true);
+        assert_eq!(detail, "+50 base  +50 speed");
+    }
+
+    #[test]
+    fn build_xp_detail_fast_win_no_undo() {
+        let detail = build_xp_detail(0, false);
+        assert_eq!(detail, "+50 base  +25 no-undo  +50 speed");
     }
 
     #[test]
     fn win_summary_plugin_inserts_resources() {
-        let mut app = App::new();
-        app.add_plugins(MinimalPlugins)
-            .add_plugins(WinSummaryPlugin);
-        app.update();
+        let app = make_app();
         assert!(app.world().get_resource::<WinSummaryPending>().is_some());
         assert!(app.world().get_resource::<ScreenShakeResource>().is_some());
+        assert!(app.world().get_resource::<SessionAchievements>().is_some());
+    }
+
+    #[test]
+    fn session_achievements_accumulates_unlock_events() {
+        let mut app = make_app();
+
+        use solitaire_data::AchievementRecord;
+        let record = AchievementRecord::locked("first_win");
+        app.world_mut()
+            .send_event(AchievementUnlockedEvent(record));
+        app.update();
+
+        let session = app.world().resource::<SessionAchievements>();
+        assert_eq!(session.names.len(), 1);
+        // display_name_for("first_win") == "First Win"
+        assert_eq!(session.names[0], "First Win");
+    }
+
+    #[test]
+    fn session_achievements_resets_on_new_game_request() {
+        let mut app = make_app();
+
+        use solitaire_data::AchievementRecord;
+        let record = AchievementRecord::locked("first_win");
+        app.world_mut()
+            .send_event(AchievementUnlockedEvent(record));
+        app.update();
+
+        // Confirm it was recorded.
+        assert_eq!(
+            app.world().resource::<SessionAchievements>().names.len(),
+            1
+        );
+
+        // Fire NewGameRequestEvent — should clear the list.
+        app.world_mut().send_event(NewGameRequestEvent::default());
+        app.update();
+
+        assert!(
+            app.world().resource::<SessionAchievements>().names.is_empty(),
+            "session achievements must be cleared on NewGameRequestEvent"
+        );
+    }
+
+    /// Verifies that mode-switch new-game requests (Z/X/C/T keys) also clear
+    /// `SessionAchievements`. All mode switches route through
+    /// `NewGameRequestEvent` with a non-`None` `mode` or `seed` field, so
+    /// this test uses `GameMode::Zen` as a representative case; the same path
+    /// is taken for Challenge, Daily Challenge, and Time Attack.
+    #[test]
+    fn session_achievements_resets_on_mode_switch_new_game_request() {
+        let mut app = make_app();
+
+        use solitaire_core::game_state::GameMode;
+        use solitaire_data::AchievementRecord;
+
+        // Simulate an achievement unlock during the current session.
+        let record = AchievementRecord::locked("first_win");
+        app.world_mut()
+            .send_event(AchievementUnlockedEvent(record));
+        app.update();
+
+        assert_eq!(
+            app.world().resource::<SessionAchievements>().names.len(),
+            1,
+            "achievement should be recorded before the mode switch"
+        );
+
+        // Simulate pressing Z (Zen mode switch) — fires NewGameRequestEvent
+        // with mode = Some(Zen). Same event shape used by X (Challenge),
+        // C (Daily Challenge), and T (Time Attack).
+        app.world_mut().send_event(NewGameRequestEvent {
+            seed: None,
+            mode: Some(GameMode::Zen),
+        });
+        app.update();
+
+        assert!(
+            app.world().resource::<SessionAchievements>().names.is_empty(),
+            "session achievements must be cleared when a mode-switch NewGameRequestEvent fires"
+        );
     }
 
     #[test]
     fn cache_win_data_sets_score_and_time() {
-        let mut app = App::new();
-        app.add_plugins(MinimalPlugins)
-            .add_plugins(WinSummaryPlugin);
-        app.update();
+        let mut app = make_app();
 
         app.world_mut()
             .send_event(GameWonEvent { score: 1234, time_seconds: 90 });
@@ -396,14 +762,14 @@ mod tests {
         let pending = app.world().resource::<WinSummaryPending>();
         assert_eq!(pending.score, 1234);
         assert_eq!(pending.time_seconds, 90);
+        // 90s < 120s → speed bonus present; default game has undo_count=0 → no-undo bonus present.
+        assert!(!pending.xp_detail.is_empty(), "xp_detail must be populated on GameWonEvent");
+        assert!(pending.xp_detail.contains("+50 base"));
     }
 
     #[test]
     fn cache_win_data_sets_xp_from_xp_awarded_event() {
-        let mut app = App::new();
-        app.add_plugins(MinimalPlugins)
-            .add_plugins(WinSummaryPlugin);
-        app.update();
+        let mut app = make_app();
 
         app.world_mut().send_event(GameWonEvent { score: 0, time_seconds: 0 });
         app.world_mut().send_event(XpAwardedEvent { amount: 75 });
@@ -415,10 +781,7 @@ mod tests {
 
     #[test]
     fn game_won_event_arms_screen_shake() {
-        let mut app = App::new();
-        app.add_plugins(MinimalPlugins)
-            .add_plugins(WinSummaryPlugin);
-        app.update();
+        let mut app = make_app();
 
         app.world_mut()
             .send_event(GameWonEvent { score: 0, time_seconds: 0 });
@@ -427,4 +790,126 @@ mod tests {
         let shake = app.world().resource::<ScreenShakeResource>();
         assert!(shake.remaining > 0.0, "shake must be armed after GameWonEvent");
     }
+
+    // -----------------------------------------------------------------------
+    // New Record detection tests
+    // -----------------------------------------------------------------------
+
+    #[test]
+    fn first_win_is_always_a_new_record() {
+        // Default stats: best_single_score=0, fastest_win_seconds=u64::MAX.
+        // Any positive-score win should be flagged as a new record.
+        let mut app = make_app();
+
+        app.world_mut()
+            .send_event(GameWonEvent { score: 500, time_seconds: 120 });
+        app.update();
+
+        let pending = app.world().resource::<WinSummaryPending>();
+        assert!(pending.new_record, "first win should always set new_record");
+    }
+
+    #[test]
+    fn win_that_beats_best_score_sets_new_record() {
+        let mut app = make_app();
+        {
+            let mut stats = app.world_mut().resource_mut::<StatsResource>();
+            stats.0.best_single_score = 400;
+            stats.0.fastest_win_seconds = 200;
+        }
+
+        // Score 500 beats previous best of 400.
+        app.world_mut()
+            .send_event(GameWonEvent { score: 500, time_seconds: 300 });
+        app.update();
+
+        let pending = app.world().resource::<WinSummaryPending>();
+        assert!(pending.new_record, "beating best score should set new_record");
+    }
+
+    #[test]
+    fn win_that_beats_fastest_time_sets_new_record() {
+        let mut app = make_app();
+        {
+            let mut stats = app.world_mut().resource_mut::<StatsResource>();
+            stats.0.best_single_score = 800;
+            stats.0.fastest_win_seconds = 200;
+        }
+
+        // Score 500 does not beat 800, but time 100 < 200.
+        app.world_mut()
+            .send_event(GameWonEvent { score: 500, time_seconds: 100 });
+        app.update();
+
+        let pending = app.world().resource::<WinSummaryPending>();
+        assert!(pending.new_record, "beating fastest time should set new_record");
+    }
+
+    #[test]
+    fn win_below_personal_bests_does_not_set_new_record() {
+        let mut app = make_app();
+        {
+            let mut stats = app.world_mut().resource_mut::<StatsResource>();
+            stats.0.best_single_score = 800;
+            stats.0.fastest_win_seconds = 60;
+        }
+
+        // Score 500 < 800 and time 120 > 60 — neither record broken.
+        app.world_mut()
+            .send_event(GameWonEvent { score: 500, time_seconds: 120 });
+        app.update();
+
+        let pending = app.world().resource::<WinSummaryPending>();
+        assert!(
+            !pending.new_record,
+            "win below both personal bests must not set new_record"
+        );
+    }
+
+    // -----------------------------------------------------------------------
+    // Challenge-level capture tests
+    // -----------------------------------------------------------------------
+
+    #[test]
+    fn challenge_win_captures_level_number() {
+        let mut app = make_app();
+
+        // Set challenge_index = 4 so the completed level is 5 (1-based).
+        app.world_mut()
+            .resource_mut::<ProgressResource>()
+            .0
+            .challenge_index = 4;
+        // Switch game mode to Challenge.
+        {
+            use solitaire_core::game_state::DrawMode;
+            app.world_mut().resource_mut::<GameStateResource>().0 =
+                GameState::new_with_mode(1, DrawMode::DrawOne, GameMode::Challenge);
+        }
+
+        app.world_mut()
+            .send_event(GameWonEvent { score: 0, time_seconds: 0 });
+        app.update();
+
+        let pending = app.world().resource::<WinSummaryPending>();
+        assert_eq!(
+            pending.challenge_level,
+            Some(5),
+            "challenge_level must be 1-based index of the completed challenge"
+        );
+    }
+
+    #[test]
+    fn classic_win_leaves_challenge_level_none() {
+        let mut app = make_app();
+        // Default game mode is Classic — challenge_level should stay None.
+        app.world_mut()
+            .send_event(GameWonEvent { score: 0, time_seconds: 0 });
+        app.update();
+
+        let pending = app.world().resource::<WinSummaryPending>();
+        assert!(
+            pending.challenge_level.is_none(),
+            "challenge_level must be None for non-Challenge wins"
+        );
+    }
 }