The prompt behind the Colosseum demo asks for an HTML and Three.js fighting game

chrisfirst · x · 2026-07-25

This reply reveals the prompt behind the Colosseum game demo.

The prompt asks for an in-browser 3D game built with HTML and Three.js, set in the Roman Colosseum, where the player fights a lion and respawns as another soldier after death. It explicitly asks for high-quality graphics and animations, and allows using other tools if needed beyond Three.js.

Related event: Claude Opus 5 Generates 3D Game with a Single Prompt(2 posts)→

Original post →

More from coding & agent

coding & agent channel →