Dev builds game with Claude Opus, which also edited the video and made the music

EricBuess · x · 2026-09-26

Developer @LexnLin showcased a game built entirely with Claude Opus, stressing that even the video edit and music were made by the model with no pre-made assets. Eric Buess is collecting more Opus 5.5-built game demos in a thread, reflecting strong community interest in the model's creative and coding limits.

Related event: Developers Show Off Games Built With Claude Opus 5.5(3 posts)→

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