Claim◆Article

Claude Fable 5 can build a fully working browser game from a single tweet's content.

The author gave Claude Fable 5 two images and a prompt derived from a 2022 tweet, and it produced a playable 3D browser game with procedural music, textures, and multiple mechanics. ✦ AI generated

Simon Willison · Simon Willison's Weblog · 2026-08-05 · original ↗

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Today, on the fourth anniversary of that tweet, I decided to see if Claude Fable 5 (running in Claude Code for web) could build the entire game from the content of that tweet. It did a pretty good job of it!

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✳ Claude Code ✳ Claude Fable 5

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