Claude-of-Duty

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A Call of Duty-quality FPS in Three.js, built from a single prompt.

byMatt Shumer

Call Of Duty cloneOpen source

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Description

A first-person shooter built in the browser using Three.js and WebGL2, featuring roughly 55,000 lines of code across 11 subsystems written by AI agents. It features a custom physics engine, procedural textures and audio synthesis with no external art assets, and a sophisticated rendering pipeline with cascaded shadow maps and TAA.

Descriptions, tags, and model credits may be AI-generated or inferred from public sources and can be incomplete or wrong. Learn more.

Details

Why this is interesting: Demonstrates a massive capability leap by generating a complex, multi-subsystem 3D game engine with procedural assets…
Attributed to: Matt Shumer@mshumer
Built with: Opus 5 Opus 4.8 Opus 4.7 Opus 4.6 Redwood AI
Links: View tweet
Tags: #fps #three.js #procedural #webgl

Discovered: X
First posted: X · Jul 25, 2026
Listed: Added 3h ago
Build: Strong
Models: Strong

Prompt

I want you to build a first-person shooter at the level of the most recent Call of Duty games. It should be utterly perfect, visually beautiful, with every single thing done at AAA quality—from textures to physics to anything you could think of.

Fan out sub-agents and have sub-agents tackle each one individually so that the game is utterly perfect. You should /loop on each item and have a separate sub-agent check it visually to ensure it looks triple A. That separate sub-agent should be a really harsh critic, and if it doesn't look triple A, it should keep going.

Don't stop until each sub-agent is utterly wowed with the quality when compared with the actual Call of Duty game. It should literally compare them side by side blind and say which one looks better. Do this in ThreeJS. /loop until it's utterly perfect. Fan out sub-agents and ultracode.

Source

All projects

Games

Claude-of-Duty

A Call of Duty-quality FPS in Three.js, built from a single prompt.

byMatt Shumer

Call Of Duty cloneOpen source

Claude-of-Duty media is blocked

Allow external media to connect to the provider and play this content.

Description

Descriptions, tags, and model credits may be AI-generated or inferred from public sources and can be incomplete or wrong. Learn more.

Details

Why this is interesting: Demonstrates a massive capability leap by generating a complex, multi-subsystem 3D game engine with procedural assets…
Attributed to: Matt Shumer@mshumer
Built with: Opus 5 Opus 4.8 Opus 4.7 Opus 4.6 Redwood AI
Links: View tweet
Tags: #fps #three.js #procedural #webgl

Discovered: X
First posted: X · Jul 25, 2026
Listed: Added 3h ago
Build: Strong
Models: Strong

Prompt

I want you to build a first-person shooter at the level of the most recent Call of Duty games. It should be utterly perfect, visually beautiful, with every single thing done at AAA quality—from textures to physics to anything you could think of.

Fan out sub-agents and have sub-agents tackle each one individually so that the game is utterly perfect. You should /loop on each item and have a separate sub-agent check it visually to ensure it looks triple A. That separate sub-agent should be a really harsh critic, and if it doesn't look triple A, it should keep going.

Don't stop until each sub-agent is utterly wowed with the quality when compared with the actual Call of Duty game. It should literally compare them side by side blind and say which one looks better. Do this in ThreeJS. /loop until it's utterly perfect. Fan out sub-agents and ultracode.

Source

Claude-of-Duty

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Claude-of-Duty

Description

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