diff --git a/Cargo.toml b/Cargo.toml
index 9849c35..36c2b7a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,7 @@ resolver = "2"
 [workspace.package]
 edition = "2021"
 version = "0.1.0"
+license = "MIT"
 
 [workspace.dependencies]
 serde       = { version = "1", features = ["derive"] }
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f799e9e
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 funman300
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/pkg/solitaire-quest-server/PKGBUILD b/pkg/solitaire-quest-server/PKGBUILD
new file mode 100644
index 0000000..d3b4a42
--- /dev/null
+++ b/pkg/solitaire-quest-server/PKGBUILD
@@ -0,0 +1,63 @@
+# Maintainer: funman300 <funman300@gmail.com>
+
+pkgname=solitaire-quest-server
+pkgver=0.1.0
+pkgrel=1
+pkgdesc='Self-hosted sync server for Solitaire Quest (stats, achievements, leaderboards)'
+url='https://github.com/funman300/solitaire-quest'
+license=('MIT')
+arch=('x86_64')
+makedepends=('cargo' 'rust')
+depends=(
+    'gcc-libs'
+    'glibc'
+)
+backup=('etc/solitaire-quest-server/server.env')
+source=(
+    "$pkgname-$pkgver.tar.gz::https://github.com/funman300/solitaire-quest/archive/v$pkgver.tar.gz"
+    'solitaire-quest-server.service'
+    'server.env'
+)
+b2sums=('SKIP'
+        'SKIP'
+        'SKIP')
+
+prepare() {
+    cd "solitaire-quest-$pkgver"
+    export RUSTUP_TOOLCHAIN=stable
+    cargo fetch --locked --target "$(rustc -Vv | grep host | cut -d' ' -f2)"
+}
+
+build() {
+    cd "solitaire-quest-$pkgver"
+    export RUSTUP_TOOLCHAIN=stable
+    export CARGO_TARGET_DIR=target
+    cargo build --frozen --release -p solitaire_server
+}
+
+check() {
+    cd "solitaire-quest-$pkgver"
+    export RUSTUP_TOOLCHAIN=stable
+    cargo test --frozen -p solitaire_server -p solitaire_sync
+}
+
+package() {
+    cd "solitaire-quest-$pkgver"
+    # Binary
+    install -Dm0755 -t "$pkgdir/usr/bin/" "target/release/solitaire_server"
+
+    # systemd service
+    install -Dm0644 "$srcdir/solitaire-quest-server.service" \
+        "$pkgdir/usr/lib/systemd/system/solitaire-quest-server.service"
+
+    # Environment file (contains JWT_SECRET, DATABASE_URL, SERVER_PORT)
+    install -Dm0640 "$srcdir/server.env" \
+        "$pkgdir/etc/solitaire-quest-server/server.env"
+
+    # License
+    install -Dm0644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+
+    # Self-hosting guide
+    install -Dm0644 README_SERVER.md \
+        "$pkgdir/usr/share/doc/$pkgname/README_SERVER.md"
+}
diff --git a/pkg/solitaire-quest-server/server.env b/pkg/solitaire-quest-server/server.env
new file mode 100644
index 0000000..2b0afbe
--- /dev/null
+++ b/pkg/solitaire-quest-server/server.env
@@ -0,0 +1,15 @@
+# Solitaire Quest Server — environment configuration
+# This file is installed to /etc/solitaire-quest-server/server.env (mode 0640).
+# Edit these values before starting the service.
+
+# Path to the SQLite database file.
+# The directory must be writable by the solitaire-quest service user.
+DATABASE_URL=sqlite:///var/lib/solitaire-quest-server/solitaire.db
+
+# HS256 signing secret for JWT tokens.
+# Generate a strong secret with: openssl rand -hex 32
+# REQUIRED — server will refuse to start if unset.
+JWT_SECRET=changeme_generate_with_openssl_rand_hex_32
+
+# TCP port the server listens on.
+SERVER_PORT=8080
diff --git a/pkg/solitaire-quest-server/solitaire-quest-server.service b/pkg/solitaire-quest-server/solitaire-quest-server.service
new file mode 100644
index 0000000..8f1c7c7
--- /dev/null
+++ b/pkg/solitaire-quest-server/solitaire-quest-server.service
@@ -0,0 +1,23 @@
+[Unit]
+Description=Solitaire Quest Sync Server
+Documentation=https://github.com/funman300/solitaire-quest/blob/main/README_SERVER.md
+After=network.target
+
+[Service]
+Type=simple
+User=solitaire-quest
+Group=solitaire-quest
+EnvironmentFile=/etc/solitaire-quest-server/server.env
+ExecStart=/usr/bin/solitaire_server
+Restart=on-failure
+RestartSec=5s
+
+# Harden the service
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ProtectHome=true
+ReadWritePaths=/var/lib/solitaire-quest-server
+
+[Install]
+WantedBy=multi-user.target
diff --git a/pkg/solitaire-quest/PKGBUILD b/pkg/solitaire-quest/PKGBUILD
new file mode 100644
index 0000000..57197c1
--- /dev/null
+++ b/pkg/solitaire-quest/PKGBUILD
@@ -0,0 +1,46 @@
+# Maintainer: funman300 <funman300@gmail.com>
+
+pkgname=solitaire-quest
+pkgver=0.1.0
+pkgrel=1
+pkgdesc='Cross-platform Klondike Solitaire with progression, achievements, and optional sync'
+url='https://github.com/funman300/solitaire-quest'
+license=('MIT')
+arch=('x86_64')
+makedepends=('cargo' 'rust')
+depends=(
+    'gcc-libs'
+    'glibc'
+    'alsa-lib'
+    'libxkbcommon'
+    'systemd-libs'   # libudev.so — required by Bevy input
+)
+source=("$pkgname-$pkgver.tar.gz::https://github.com/funman300/solitaire-quest/archive/v$pkgver.tar.gz")
+b2sums=('SKIP')
+
+prepare() {
+    cd "solitaire-quest-$pkgver"
+    export RUSTUP_TOOLCHAIN=stable
+    cargo fetch --locked --target "$(rustc -Vv | grep host | cut -d' ' -f2)"
+}
+
+build() {
+    cd "solitaire-quest-$pkgver"
+    export RUSTUP_TOOLCHAIN=stable
+    export CARGO_TARGET_DIR=target
+    cargo build --frozen --release -p solitaire_app
+}
+
+check() {
+    cd "solitaire-quest-$pkgver"
+    export RUSTUP_TOOLCHAIN=stable
+    # Only test the non-Bevy crates — Bevy integration tests require a GPU/display
+    # which is not available in a clean build environment.
+    cargo test --frozen -p solitaire_core -p solitaire_sync
+}
+
+package() {
+    cd "solitaire-quest-$pkgver"
+    install -Dm0755 -t "$pkgdir/usr/bin/" "target/release/solitaire_app"
+    install -Dm0644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}
diff --git a/solitaire_app/Cargo.toml b/solitaire_app/Cargo.toml
index 1e6039b..a442a4b 100644
--- a/solitaire_app/Cargo.toml
+++ b/solitaire_app/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name    = "solitaire_app"
 version.workspace = true
+license.workspace = true
 edition.workspace = true
 
 [[bin]]
diff --git a/solitaire_assetgen/Cargo.toml b/solitaire_assetgen/Cargo.toml
index 69a06f9..1151841 100644
--- a/solitaire_assetgen/Cargo.toml
+++ b/solitaire_assetgen/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "solitaire_assetgen"
 version.workspace = true
+license.workspace = true
 edition.workspace = true
 publish = false
 
diff --git a/solitaire_core/Cargo.toml b/solitaire_core/Cargo.toml
index ee60e87..e59435c 100644
--- a/solitaire_core/Cargo.toml
+++ b/solitaire_core/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name    = "solitaire_core"
 version.workspace = true
+license.workspace = true
 edition.workspace = true
 
 [dependencies]
diff --git a/solitaire_data/Cargo.toml b/solitaire_data/Cargo.toml
index 2c6b021..de1d173 100644
--- a/solitaire_data/Cargo.toml
+++ b/solitaire_data/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name    = "solitaire_data"
 version.workspace = true
+license.workspace = true
 edition.workspace = true
 
 [dependencies]
diff --git a/solitaire_engine/Cargo.toml b/solitaire_engine/Cargo.toml
index 25c0eae..ea56ae5 100644
--- a/solitaire_engine/Cargo.toml
+++ b/solitaire_engine/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name    = "solitaire_engine"
 version.workspace = true
+license.workspace = true
 edition.workspace = true
 
 [dependencies]
diff --git a/solitaire_gpgs/Cargo.toml b/solitaire_gpgs/Cargo.toml
index faaa158..55b8add 100644
--- a/solitaire_gpgs/Cargo.toml
+++ b/solitaire_gpgs/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name    = "solitaire_gpgs"
 version.workspace = true
+license.workspace = true
 edition.workspace = true
 
 [dependencies]
diff --git a/solitaire_server/Cargo.toml b/solitaire_server/Cargo.toml
index f4e2eb6..3f99ceb 100644
--- a/solitaire_server/Cargo.toml
+++ b/solitaire_server/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name    = "solitaire_server"
 version.workspace = true
+license.workspace = true
 edition.workspace = true
 
 [lib]
diff --git a/solitaire_sync/Cargo.toml b/solitaire_sync/Cargo.toml
index c2686cd..cf8f045 100644
--- a/solitaire_sync/Cargo.toml
+++ b/solitaire_sync/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name    = "solitaire_sync"
 version.workspace = true
+license.workspace = true
 edition.workspace = true
 
 [dependencies]