Claude Opus 5 builds a full browser FPS game in one 290 KB HTML file
prasenx · x · 2026-07-25
Built with Claude Opus 5, a browser FPS game fits in a single HTML file with no assets or build tools.
- 4 weapons with ADS, recoil, reloads, sprint, mantle, double jump
- 10 AI enemies that flank, take cover, and call out positions
- Sniper scope with breath holding and sway
- All textures and sounds are generated from code
- Runs at 60fps in the browser
The whole thing weighs just 290 KB: one file, one model.
Related event: Claude Opus 5 One-Shots Complete 3D Games(29 posts)→
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