Building a 3D Game with Multi-Agent Collaboration: Opus 5 and Three.js
majidmanzarpour · x · 2026-08-13
A developer showcased an experiment combining various AI agent tools to build a 3D game. The project utilized Matt Shumer's Gauntlet Loop paired with custom Three.js agent skills to create a Quake-inspired capture-the-flag game set in an underwater base.
Opus 5 handled the initial build via Ultracode, while assets were generated using Tripo AI, ElevenLabs, and NanoBanana. The developer noted that the game was about 75% functional after the first run but required additional loops for bug fixing. While an interesting showcase of model capabilities, the author prefers building piece by piece for better design control.
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