Oddfish: Strange Chess

Oddfish: Strange Chess

29 modes. One serious engine.

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Free
In-App Purchases

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Details

  • Released
  • Updated
  • September 9, 2026
  • September 10, 2026

Features

Oddfish: Strange Chess screenshot #1 for iPhone
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About

Chess, but a little stranger. Oddfish starts with serious Stockfish chess, then changes one rule at a time. RattleFish loses confidence when you play well. GluttonFish grows stronger when you feed it pieces. Restfish makes moved pieces take a nap. Twenty-nine modes across six families turn a familiar board into something wonderfully peculiar. MEET GIL A small gold fish with opinions explains every mode, reacts to the game, and reviews the aftermath. PLAY YOUR WAY • Classic chess or 28 strange variations • Adjustable engine strength • Game history and PGN import • Optional move evaluation and hints • Carefully designed for iPhone and iPad Six modes—including Classic, RattleFish, FumbleFish, Restfish, GluttonFish, and ChapelFish—are free. A single Full Oddfish purchase unlocks every remaining mode. No subscription. PRIVATE BY DESIGN Everything runs on your device. Oddfish has no accounts, ads, analytics, or tracking and does not collect personal data. Stockfish plays the chess. Oddfish supplies the personality problem.
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What's New in Oddfish

1.0.1

September 10, 2026

This update fixes crashes during Stockfish's turn and improves engine timing. Interrupted games now reopen paused, so you can resume or leave safely. Your saved game and progress are preserved.

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In-App Purchases

$4.99

Full Oddfish

Unlock every premium Oddfish mode with one purchase.

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