Futoshiki

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8 of 36 squares filled

Tap a square, then a number. N switches Notes; Delete clears. Arrow keys move between squares.

How to play Futoshiki

  1. Use each number from 1 to the board size once in every row and column.
  2. Keep the printed numbers in place. Fill the empty squares.
  3. Follow every comparison sign. Its pointed end faces the smaller number; its open end faces the larger number.

Worked example and difficulty levels →