Standard Klondike behaviour: any Ace can land in any empty foundation,
and that slot then claims the suit until the pile empties. The
previous PileType::Foundation(Suit) variant pre-assigned each of the
four foundations to a fixed suit ("C / D / H / S" placeholders) and
rejected mismatched Aces — non-standard and (per the smoke-test
feedback) confusing.
Replaces the variant payload with a slot index Foundation(u8) (0..=3)
and derives the claimed suit from the bottom card via a new
Pile::claimed_suit() method. The bottom card is, by construction,
the Ace that established the claim; using it directly eliminates an
entire class of "stuck claim after undo" bugs that a separate
claimed_suit field would have introduced.
can_place_on_foundation drops its suit parameter — the rule reduces
to "empty pile accepts any Ace; non-empty pile accepts the next
rank up of the bottom card's suit." Iteration sites across
input_plugin, cursor_plugin, selection_plugin, card_plugin,
auto_complete_plugin, game_plugin, layout, and hud_plugin all swap
the four-suit list for `(0..4u8).map(PileType::Foundation)`.
next_auto_complete_move now prefers a slot whose claimed_suit matches
the candidate card before falling back to the first empty slot for
an Ace — so the same suit consistently auto-targets the same slot
across the whole game, matching player expectations.
The HUD selection label and the hint toast read claimed_suit() and
fall back to "Foundation N" / "move to foundation" only when the
slot is empty. Empty foundation pile markers no longer render the
suit-letter children — they're plain translucent rectangles, matching
empty tableau placeholders.
Save-format invalidation: GameState gains a schema_version field
(serde-default to 1 for back-compat parsing of old files), the
constant is bumped to 2, and load_game_state_from rejects mismatched
schemas. Old in-progress saves silently fall through to "fresh game
on launch" — the user accepted this loss given the mechanic change.
Stats / progress / achievements / settings live in separate files,
contain no PileType data, and are unaffected.
9 new tests pin the contract:
- Pile::claimed_suit returns None for empty / non-foundation, Some
for non-empty foundation
- Any Ace lands in the first empty foundation; successive Aces
distribute across slots 0..3
- Claim drops when the slot is emptied via undo
- Auto-complete picks the slot with a matching claim, not the first
empty slot
- A v1-format game_state.json is rejected; sibling stats save/load
is unaffected
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Solitaire Quest
A cross-platform Klondike Solitaire game written in Rust, featuring a full progression system with XP, levels, achievements, daily challenges, and optional self-hosted sync so your stats follow you across machines.
Features
- Klondike Solitaire — Draw One and Draw Three modes
- Progression — XP, levels, unlockable card backs and backgrounds
- 18 Achievements — including secret ones
- Daily Challenge — server-seeded so every player worldwide gets the same deal
- Leaderboard — opt-in, powered by your own self-hosted server
- Special Modes (unlocked at level 5): Zen, Time Attack, Challenge
- Sync — pull/push stats across devices via a self-hosted server
- Color-blind mode — blue tint on red-suit cards
Building
Prerequisites
- Rust stable toolchain (
rustup install stable) - Linux:
libasound2-dev libudev-dev libxkbcommon-dev - macOS: Xcode Command Line Tools
# Fast development build
cargo run -p solitaire_app --features bevy/dynamic_linking
# Release build
cargo build -p solitaire_app --release
./target/release/solitaire_app
Controls
| Key | Action |
|---|---|
| Left click / drag | Move cards |
| Right click | Highlight legal moves for a card |
| Space / D | Draw from stock |
| Z / Ctrl+Z | Undo |
| N | New game |
| S | Stats overlay |
| A | Achievements overlay |
| P | Profile overlay |
| O | Settings |
| L | Leaderboard |
| H | Help / controls |
| Enter | Auto-complete (when badge is lit) |
| Escape | Pause / clear selection |
| Arrow keys | Navigate card selection |
Sync Server (optional)
To sync stats across machines, run the self-hosted server. See README_SERVER.md for setup instructions.
Once the server is running, open Settings → Sync Backend, enter the server URL and your username, and register an account from within the game.
Running Tests
# All tests
cargo test --workspace
# Just game logic (no display required)
cargo test -p solitaire_core -p solitaire_sync -p solitaire_data -p solitaire_server
# Lint
cargo clippy --workspace -- -D warnings
Credits
Built on Bevy and the wider Rust ecosystem (Tokio,
Axum, sqlx, Serde, kira, and many more). Card faces come from
hayeah/playing-cards-assets
(MIT, derived from the public-domain vector-playing-cards library); the
default card back is original work; the UI font is FiraMono-Medium (OFL).
All audio is synthesized programmatically by this project. See
CREDITS.md for the full list and license details.
License
MIT — see LICENSE.