crab dash
A vibe-coded platformer game — play it in your browser, no install. A one-button rhythm platformer starring a crab. Six levels, practice mode, an icon kit and a level editor.
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Best with a keyboard. Controls: Jump, fly, flip: click, tap, Space, ↑ or W · Pause: esc or P · Restart: r
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Open the live demo Source on GitHub⚔ This or That: Platformer games
From the README
A one-button rhythm platformer starring a crab. Jump, fly and flip through six levels, from Easy to Demon.
Built by Claude Opus 5.5 (Anthropic's AI model) in one session, from a single prompt plus one round of feedback. The physics engine, the art (drawn in code), the music (synthesized live in the browser) and all six levels were written from scratch.
Every level is checked by an automated solver (tools/solver.js). It proves each level can be beaten, confirms all three coins can be reached, and measures how precise each jump needs to be.
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