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A black cat's night stroll along a moonlit canal 🐈⬛🌙 CatWalk — a one-button 3D browser game. Zero image or audio files: the town, the cat's animation and the jazz are all generated in code. The whole game is ~200KB. Claude Opus 5.5 ▶ https://blitastxyz.itch.io/catwalk #threejs