UltimatePlay
One-file AI games.
🎮 AI GAME JAM 01 — LIVE NOW

Prompt a game. Upload one HTML file. Let the internet play it.

UltimatePlay is a curated arcade for self-contained AI‑generated games. Bring the weird, keep it mobile‑friendly, and make the first 15 seconds impossible to ignore.

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ultimateplay://demo
GPT-5.4 Live
cabinet.tsx
GENERATED · GPT-5.423 LINES
1const cabinet = createCabinet({
2 title: "Nebula Rail",
3 touch: true,
4 safeBurner: true,
5});
6
7const player = spawnRunner({
8 lane: 1,
9 boost: 0,
10 palette: ["#2de2ff", "#00ff41"],
11});
12
13world.onTick(({ dt, beat }) => {
14 player.boost = ease(player.boost, beat * 0.12, dt);
15 spawnPickup({
16 type: beat % 6 === 0 ? "gpu" : "spark",
17 lane: randomLane(),
18 });
19 drawGlowTrack();
20 drawPlayer(player);
21});
22
23export default cabinet.mount(document.body);
STREAMINGsingle file · sandboxed · mobile-readyutf-8
NOW PLAYING
NEBULA RAIL
LIVE
60 FPS · SANDBOXED