Opus 5 one-shot a Paper Mario–style game prototype in a single run

Acid_God_ · reddit · 2026-07-27

A Reddit post shows Opus 5 one-shotting a game inspired by Paper Mario, suggesting the model can generate a surprisingly complete result from a single prompt.

The post is essentially a showcase clip: a game prototype built in one pass, with the humor coming from how quickly the model appears to assemble something recognizable and playable.

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