
X and 0
Tic-tac-toe for 1 or 2 players. Play X against the AI (arrows move, A places), or let a friend join from their phone on your Wi-Fi as O by scanning the panel's QR code. Variants: vanishing marks and misère.
At a glance
update_app_settingsapp_action over MCPGame
Modes
| Mode | Players | Play |
|---|---|---|
| Vs AI default | 1 | Solo |
| Vs Friend | 2 | Free-for-all |
Maps
Themes
Settings
| Setting | Type | Default | Options / range |
|---|---|---|---|
| General | |||
Speedspeed | whole number | 5 | 1 – 10 |
Themetheme | choice | Chalkboard | ClassicNeonRetroMonoChalkboardArcade |
AI skillskillHow well the demo AI plays | number | 0.8 | 0.0 – 1.0 |
Show scoreshow_score | on/off | On | on / off |
| Graphics | |||
Effectseffects | choice | Full (particles, shake, flashes) | Full (particles, shake, flashes)Calm (no shake or flashes)Minimal |
| Game flow | |||
Intro & results screensintro_outro | on/off | On | on / off |
Play itself when idleattractThe AI plays while nobody does (great in a playlist) | on/off | On | on / off |
Plays itself withpilot | choice | Built-in AI | Built-in AIFruit-fly brain (sees only the pixels; docs/FLY_BRAIN.md) |
| Game | |||
Match: first tofirst_toRound wins needed to take a match started from the menu | whole number | 3 | 1 – 9 |
Modemode | choice | Vs AI | Vs AIVs Friend |
Mapmap | choice | Classic | ClassicVanishingMisere |
Playersplayers | whole number | 1 | 1 – 2 |
Try it
$ uv run deskdot preview tictactoe --settings '{"theme":"classic"}' --out tictactoe.png$ curl -X POST http://127.0.0.1:8765/api/apps/tictactoe/activateOr ask your agent: “Show X and 0 on my panel”. It calls show_app with "tictactoe". New here? Set up DeskDot first.
More games apps

2048
Slide and merge tiles towards 2048; colour tells the value. The AI hugs a corner. Arrows slide. B in the demo opens the menu: Race on 2–4 small boards, or Relay (take turns on one board).

3D Dungeon Raycaster
First-person 3D raycasting dungeon crawler with textured walls and radar.

Asteroids
Pilot a tiny ship through a field of splitting space rocks. ←/→ turn, ↑ thrust, A fire, B warp.

Breakout
Smash a colourful brick wall; new patterns every level. Left/right moves the paddle. Co-op: two paddles and two balls on one wall. Versus: a split field, first to clear their half wins.