Tiny File Tools
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Number puzzle Fastest clear time, mistakes as tiebreak Typical run 5-20 min Tap or click cells, then use keypad or keyboard numbers

Sudoku

Fill the 9x9 grid with pre-generated easy, medium, and hard puzzles, switch notes mode on and off, and finish before the mistakes run out.

  • Pre-generated puzzle banks across three difficulties
  • Notes mode, same-number highlight, and invalid move feedback
  • Three mistakes max before the run ends