An iOS developer with nearly nine years of experience has won $25,000 at Vibe Jam 2026 after building a capybara food delivery game in only two weeks using Claude Code and several other AI tools.
The project includes more than 27,000 lines of AI-generated code, over 188 commits, multiplayer support, custom editing tools, original music, 3D models, textures, illustrations, and a large open city that players can explore alone or with friends.
The developer, known online as Leo, created A Game About Capybaras Delivering Food, where players control a capybara riding a scooter while collecting and delivering stacked food orders before time runs out.
Players must balance their items while driving, complete a timed shopping challenge inside a slippery convenience store, follow routes through an in-game navigation app, and avoid dropping food during sharp turns.
Leo said he spent $100 to upgrade from Claude Code’s Max 5x plan to the 20x plan. He also used ChatGPT Images, Grok, Tripo3D, Suno, and ElevenLabs for textures, character concepts, 3D assets, music, and sound effects, while Three.js powered the game itself.
“The game was entirely vibe-coded. In practice, I spent most of my time brainstorming, planning, and playing rather than generating code. I ran two to three Claude Code sessions at once, each working on a different part of the code to avoid conflicts,” Leo explained in his detailed development post.
Claude Code Built More Than the Game
Claude Code generated all the programming behind the game, but it also created the tools Leo needed to finish the project quickly. These included a custom map editor, terrain brushes, a procedural road builder, an in-game cinematic editor, a phone simulator, and systems for weather, lighting, multiplayer, item physics, and localization.
The map required the most manual work because AI-generated 3D cities lacked detail and performed poorly when players moved closer to buildings. Leo used the custom editor to place objects, shape mountains, paint terrain, create roads, position cameras, and build a city featuring beaches, farms, highways, suburban districts, and references to landmarks such as the Golden Gate Bridge and Christ the Redeemer.
The multiplayer mode uses a live WebSocket connection hosted through Cloudflare, allowing players to see each other’s movements, food stacks, messages, honks, and nearby music. The finished game also supports English, Hindi, Spanish, German, Korean, Mandarin Chinese, and Brazilian Portuguese.
Leo does not plan to release the project on Steam because the current version only offers around five to ten minutes of gameplay. However, the $25,000 win shows how an experienced developer can use AI coding tools to create, test, and polish a complete game concept within a short development window.
