Gemini 3.1 Pro Plays 3D Tetris Surprisingly Well

PromptInjection_ · reddit · 2026-07-20

This post showcases Gemini 3.1 Pro performing "unexpectedly well" in a 3D Tetris test. The author had low expectations but found the results quite solid, especially given it was an older version of 3.1 Pro. The accompanying image links to a full test article titled "3D Tetris Doesn't Care About Your LLM Benchmark Scores," implying that this mini-game test evaluates a model's practical spatial reasoning and manipulation skills rather than just traditional leaderboard metrics.

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