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fable 5 1 one prompt game

A free browser game — play it in your browser, no install. One prompt: Claude Fable 5.1 drove Blender, FLUX.2, LTX video and ACE-Step on a local RTX 5090 and shipped a playable 3D game in one HTML file. 24 minutes, first try.

by @Nipale-ai · Nipale-ai/fable-5-1-one-prompt-game on GitHubLANG HTMLHOSTED ON NIPALE-AI.GITHUB.IOUPDATED 1 Sep 2026

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From the README

One prompt, no follow-up. Claude Fable 5.1 drove Blender, FLUX.2, LTX video and ACE-Step music on a local RTX 5090, verified every asset it produced, and shipped a playable 3D game as a single self-contained HTML file.

24 minutes. First try. $9.90.

The prompt said to look at every asset before accepting it. It generated seven music tracks and discarded six — they had silence in them, which it found by rendering and inspecting spectrograms. It then wrote its own make_loop.py to cut a bar-aligned loop (27 bars, 112 BPM, 1.2 s crossfade).

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