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Yu-Gi-Oh game with rules enforcement, AI opponent, and state resume

by Stravant (@Stravant) · Sep 24, 2026

More Opus 5.5 fuel for the fire. YuGiOh with full rules enforcement + AI opponent + resumeability from arbitrary game state. I thought this would be too much to one shot. Technically two-shot, "Make sure every single that that changes has an animation". https://t.co/qoLQ2BB3R2
— Stravant (@Stravant) Sep 24, 2026

Prompt

The author shared part of the prompt.

My prompt included asking it to layer the implementation into first unit testing the gameplay interactions, so with &gt;100 gameplay behavior tests like this I'm willing to believe it's quite robust: https://t.co/Hyr238YtvH

Prompt by @Stravant, from their reply

Category: Games
Stack: Blender, AI image
Made with: Rojo, Studio, Blender, MCP, Codex, React
From the author: Total time to implement: ~5 hours; about 4% of a 20x sub.
On X: 263 likes · 113K views · 189 saves

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