Claude Opus 5 built a full browser FPS in one HTML file with AI enemies and 60 fps
prasenx · x · 2026-07-26
Claude was used to build a full browser FPS game in one HTML file
The reply describes a demo and shares the repo and prompt. The claimed result is a complete first-person shooter built with Claude Opus 5 in a single HTML file, with no assets and no build tools.
Notable features include:
- 4 weapons with ADS, recoil and reloads
- 10 AI enemies that flank, take cover and call out positions
- sniper scope mechanics with breath holding and sway
- mantling, double jump and sprinting
- textures and sounds generated from code
- runs at 60 fps in the browser
The project is presented as a compact, generated game that showcases how far a model can go in producing a playable, polished experience from a single prompt.
Related event: Claude Opus 5 One-Shots Complete 3D Games(29 posts)→
More from coding & agent
- Warp's six non-engineering teams all run on Linear and Claude Code — mon__lim · 2026-09-11
- Is inference latency becoming the biggest bottleneck for production AI agents? — Euphoric_Sea632 · 2026-09-11
- Anthropic researcher: 99% of engineers now run swarms of 300+ self-improving agents — AlishaOutridge · 2026-09-11
- Gergely Orosz: Shipping 10x PRs With AI Agents, Sites Fill With Small Regressions — ducha_aiki · 2026-09-11
- Same Echo Maze prompt, three frontier models: all passed visually but shipped the same hidden bug — eyishazyer · 2026-09-11
- Astra storyboards plus Minimax H3 per-shot generation boost video success rates — Hailuo_AI · 2026-09-11