I think I found the best Jev Prompt for Tetris.

@sethrose Seth Rose · Sep 19, 2026 · case #656481 · listed via Jev Hub

Still from the clip posted with this case; watch it in the original post on X.

Wrote a Tetris prompt telling Jev to minimize holes, height and bumpiness and to hold for I-pieces.

The original post

I think I found the best Jev Prompt for Tetris. lol "Choose each move to minimize holes first, then max height and bumpiness. Clear lines when useful. Never build wells unless an I-piece is ready. Use Hold to avoid forced holes."

Engagement when collected

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Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.

Where this case fits

Filed under games & playable demos. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Other posts in the same family are on the games & playable demos page.

🎮 Games & playable demos