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Building an AI game engine with Three.js

A developer is building Feather Engine, an open-source agentic game engine powered by Three.js that lets developers control and build game systems through AI prompts instead of manual coding. The project is still in early development and is seeking feedback and contributors on GitHub.

read1 min publishedJun 6, 2026

I’m building Feather Engine, an open-source agentic game engine powered by Three.js.

The goal is to let developers control and build game systems through AI prompts instead of manually wiring everything.

It’s still early, but I’m looking for feedback, contributors, and ideas.

GitHub: [https://github.com/mariojgt/featherEngine](https://github.com/mariojgt/featherEngine)

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source & further reading
dev.to — original article Why Trae Keeps Topping the Juejin AI Coding Tools List Diagnose with Ota, Then Run with Confidence The .NET agentic ecosystem deserves a genuine architectural choice. Workflow-driven is not the whole answer.
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