Vibe Jam and AI game jam winners
Game jams where AI coding agents write the code have produced most of the best playable AI browser games. Hosted by Pieter Levels (Flight Simulator) and sponsored by Cursor, Bolt.new, Glif and Tripo AI, Vibe Jam 2025 and Cursor Vibe Jam 2026 required at least 90% AI-written code and instant browser playability. Alongside itch.io's AI Browser Game Jam, these competitions turned vibe coding from a weekend novelty into a real game scene.
Below is our playable archive of 20 jam winners and category awardees—complete with the AI tools, game engines, build times and creator credits we verified from each project.
All jam winners at a glance
| Game | Jam & Award | AI Tools Credited | Engine | Build Time |
|---|---|---|---|---|
| Swingers | Vibe Jam 2026 · Most Unhinged | AI-written (90%+ rule) | Three.js | Jam window |
| KÖTTBULLAR METAL | Vibe Jam 2026 · Funniest Game | AI-written (90%+ rule) | HTML5 Canvas | Jam window |
| Almost Surgery | Vibe Jam 2026 · Most Cursed | AI-written (90%+ rule) | Godot | Jam window |
| Pyramid Wars | AI Browser Game Jam 3 · Winner | Claude Opus | HTML5 Canvas | Jam window |
| Null Range | Vibe Jam 2026 · Best Art Direction | Cursor | Three.js | Jam window (April 2026) |
| Undersphere | Vibe Jam 2026 · Unique Concept | Gemini, Claude | Three.js | Jam window (April 2026) |
| Eyrie | Vibe Jam 2026 · Most Atmospheric | AI-written (90%+ rule) | Three.js | Jam window (April 2026) |
| FULL SEND | Vibe Jam 2026 · Most Portal Transfers | Cursor, Claude | HTML5 Canvas | Jam window (April 2026) |
| Fanto's Mega-Mart | Vibe Jam 2026 · 2nd place | Codex | Three.js | Jam window (April 2026) |
| The Great Taxi Assignment | Vibe Jam 2025 · Winner | Cursor, Claude Sonnet 3.7 | Three.js | 60 hours |
| A Game About Capybaras Delivering Food | Vibe Jam 2026 · Winner | Claude Code | Three.js | ~2 weeks |
| Tiny Skies | Vibe Jam 2026 · Most Polished | Cursor | Three.js | ~4 weeks |
| HALDANE-4 | Vibe Jam 2026 · Most Original | Cursor | HTML5 Canvas | Jam window (April 2026) |
| AI2U: Guns & Girlfriends | AI Browser Game Jam 4 · Runner-up | Claude Code, Gemini | Three.js | ~72 hours (332M tokens) |
| Plug & Prosper | AI Browser Game Jam 4 · Winner | Codex | Godot | Jam window (Aug 2026) |
| Vector Tango | Vibe Jam 2025 · 3rd place | AI-written (90%+ rule) | Three.js | Jam window (March 2025) |
| Kanso | Vibe Jam 2026 · Most Zen | AI-written (90%+ rule) | Three.js | Jam window (April 2026) |
| WenWare | Vibe Jam 2026 · 3rd place | Codex | Three.js | Jam window (April 2026) |
| BeetleJump | Vibe Jam 2026 · Rage-Quit | AI-written (90%+ rule) | Three.js | Jam window (April 2026) |
| Tiny Siege | Vibe Summer Game Jam '26 · Winner | Claude Code, Qwen | HTML5 Canvas | 1 week |
Cursor Vibe Jam 2026 winners (14 games)
The 2026 edition drew 945 submissions and more than 242,000 players competing for over $40,000 in cash prizes. Multi-week Three.js worlds and multiplayer games dominated the podium.
Swingers — Most Unhinged

Swing through a city with friends and compete to cause the most damage to critical infrastructure. Built with Three.js and shipped as a web build with an iOS version announced on the start screen. The game carries the Vibe Jam 2026 widget and won the jam's Most Unhinged award; its creator is @_offmylawn..
KÖTTBULLAR METAL — Funniest Game

Survive 15 minutes in a death-metal mosh pit where the lyrics are IKEA product names. Built as one self-contained HTML5 Canvas page (the whole game ships in a single multi-megabyte HTML file) with synthesized sound. It won the Funniest Game award at Vibe Jam 2026..
Almost Surgery — Most Cursed

A darkly comic surgery sim where you saw, cut and electrocute patients for money. Built with Godot and exported to the web. It won the Most Cursed award at Vibe Jam 2026; the creator ships it at almostsurgery.ragim.dev with its own social image..
Null Range — Best Art Direction

First-person space dogfights with other players. Use sonar to find them, boost in, fire lasers. Taylor built Null Range for Vibe Jam 2026, a jam whose rules require at least 90% of the code to be written by AI. He announced it as 'a multiplayer dogfighting space sim… built with Three.js'.
Undersphere — Unique Concept

A multiplayer shooter fought on the inside of a sphere, where gravity shifts under your feet. The game's own credits list 'Gemini & Claude' under AI Development and Vite with Three.js as the engine. It was made for Vibe Jam 2026.
Eyrie — Most Atmospheric

A drop-in co-op roguelike. Rescue sprites, feed the shrine, survive the waves. Eyrie was a Vibe Jam 2026 entry, so at least 90% of its code had to be AI-written under the jam rules. The creator describes it as 'a roguelike, shared-world wave-defense game' built with Three.js..
FULL SEND — Most Portal Transfers

A racer that loads instantly, with roads pulled from OpenStreetMap and online lap leaderboards. FULL SEND was a Cursor Vibe Jam 2026 entry and won the jam's Most Portal Transfers award. The awesome-ai-built-games list says it was built with Cursor and Claude on HTML5 Canvas; the makers haven't detailed their tools on the site..
Fanto's Mega-Mart — 2nd place

Race shopping carts at rocket speed through a haunted grocery store, against ghost replays. Took 2nd place ($10,000) at Vibe Jam 2026. Community lists credit OpenAI Codex with Three.js; the creator hasn't published a build write-up we could find..
A Game About Capybaras Delivering Food — Winner

Capybaras on scooters deliver food orders around a cozy city. Multiplayer. Leo posted his Vibe Jam entry after 'two weeks of crazy development… made with Claude, Tripo AI, three.js, ElevenLabs and Suno'. It won Vibe Jam 2026 and its $25,000 first prize.
Tiny Skies — Most Polished

Explore a tiny world by biplane, magic carpet or boat, with other players around. Built for Vibe Jam 2026 with Cursor, with Suno music, ElevenLabs sound effects and Tripo3D models. Limanseta said it took almost four weeks and was his first multiplayer game..
HALDANE-4 — Most Original

A short ASCII horror story about a solo descent under the Antarctic ice. A Vibe Jam 2026 entry (at least 90% AI-written code under the jam rules) that won Cursor's Most Original award. The whole world is drawn in ASCII characters on an HTML5 canvas..
Kanso — Most Zen

Grow and shape living bonsai trees in calm, detailed scenes. A Vibe Jam 2026 entry (at least 90% AI-written code under the jam rules), built with Three.js. It won the Most Zen award..
WenWare — 3rd place

GeoGuessr with time travel: look around a 360° historical scene and guess the place and the year. WenWare started as a Vibe Jam 2026 entry. It placed 3rd overall and also won the Most Played award; its about page says it has passed one million plays.
BeetleJump — Rage-Quit

A multiplayer climbing race. Reach the top and be king, if nobody knocks you off. A Vibe Jam 2026 entry, built with Three.js and PartySocket for multiplayer. The jam required at least 90% AI-written code.
Vibe Jam 2025 winners (2 games)
The inaugural 2025 jam started weeks after Flight Simulator went viral and pulled in more than 1,000 entries judged by Andrej Karpathy, mrdoob and Pieter Levels.
The Great Taxi Assignment — Winner

GTA-style taxi runs across a 3D city. Pick up, drop off, beat the clock. The in-game credits are unusually specific: '99% of code was AI generated (Cursor AI + Claude Sonnet 3.7). 2D art was created using GPT-4o.
Vector Tango — 3rd place

A 3D air traffic control sim. Guide planes through crowded airspace without a collision. Built 'entirely with AI' for the 2025 Vibe Coding Game Jam, where it placed 3rd. The browser version is now called Vector Tango Classic; a full version is headed to Meta Quest..
AI Browser Game Jam & Vibe Summer Jam winners (4 games)
Community jams on itch.io—including Focaccai's recurring AI Browser Game Jam and the Vibe Summer Game Jam—reward tight mechanics, strategy loops and small web builds.
Pyramid Wars — AI Browser Game Jam 3 · Winner

Pixel-art RTS clicker across ten battlefields, with booster packs of unit and ability cards. Built with Claude Opus; winner of AI Browser Game Jam 3. Distributed as a browser build on itch.io, with pixel art and booster-pack meta progression..
AI2U: Guns & Girlfriends — AI Browser Game Jam 4 · Runner-up

A Red Alert-style RTS with base building, nukes and three factions. The jam submission lists Claude Code (Fable 5 and Opus 5) for code, Gemini and Nano Banana for character art and Suno for music. The developer said it took about 72 hours and 332 million tokens, 96% of them cached.
Plug & Prosper — AI Browser Game Jam 4 · Winner

Run a phone-charging kiosk: wire devices into sockets, upgrade the shop between days. Built in Godot. The itch.io AI disclosure marks it as AI-assisted for code, graphics, sound and text.
Tiny Siege — Vibe Summer Game Jam '26 · Winner

A small strategy game with minotaurs, witches and rerolls, built in one week. Winner of the Vibe Summer Game Jam '26. From the jam submission: 'We used one of the recent Qwen models on Alibaba Cloud early on to bounce around ideas… For the build, we used Claude Opus through Claude Code to help write and debug a good chunk of the game's code.' Built in the seven days of the Vibe Summer Game Jam '26..
Want to enter the next AI game jam?
Read our step-by-step guide on how to make a browser game with AI, explore the 15 best AI browser games, or submit your jam entry to Zadely.
Frequently asked questions
Who won Cursor Vibe Jam 2026?
A Game About Capybaras Delivering Food by Leo (@leocooout) won first place and the $25,000 top prize at Vibe Jam 2026. Fanto’s Mega-Mart took second place ($10,000), and WenWare finished third ($5,000). Category winners included Null Range (Best Art Direction), Undersphere (Unique Concept), Eyrie (Most Atmospheric), Tiny Skies (Most Polished), HALDANE-4 (Most Original), Kanso (Most Zen), BeetleJump (Rage-Quit) and FULL SEND (Most Portal Transfers).
Who won the first Vibe Jam in 2025?
The Great Taxi Assignment by Tomáš Bencko won first place ($10,000) out of more than 1,000 entries in the inaugural 2025 Vibe Coding Game Jam. It was built in 60 hours with Cursor and Claude Sonnet 3.7. Vector Tango took third place.
What are the rules for Vibe Jam?
Organized by Pieter Levels (@levelsio), Vibe Jam requires at least 90% of a game’s code to be written by AI coding agents. Every entry must run instantly in a web browser with no download, no sign-up and no loading screens.
What AI tools do jam winners use most?
Across the 16 jam winners and awardees tracked on Zadely, Claude (via Claude Code or Cursor) and OpenAI Codex are the most credited coding agents, while Three.js powers 12 of the 16 winning games (75%).