Logic Puzzle · Play now

Nurikabe

Nurikabe

Separate numbered islands from the connected sea without making a 2×2 sea block.

Nurikabe cover
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HOW TO PLAY

How to play Nurikabe

Solve three original island puzzles. Each number belongs to a connected white island of exactly that size; islands cannot touch, while the black sea must be connected and cannot contain a 2×2 block.

Controls

  • Click or use the keyboard to mark island and sea cells; check the answer
  • R or the on-screen button: restart

Tips

  1. Lock in the shape of larger islands first, and make sure the sea is not cut off.
  2. Rules and control hints are shown in the game.