Claude Opus 5.5 One-Shots a 1990s-Style Demoscene Demo in C/C++ and OpenGL

gandamu_ml · x · 2026-09-24

A user got Claude Opus 5.5 to one-shot a full 1990s-style demoscene demo from a single prompt: C/C++ with OpenGL, synced to Purple Motion's S3M track from Second Reality. The prompt instructed the model to first analyze the music's structure and moods, research suitable effects, and keep the build lean — and it worked on the first try.

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