Nurikabe is a logic puzzle about islands in a sea. Shade squares to make the sea, a wall that winds through the grid in one joined-up piece, and leave each number an island of exactly that many squares. The wall never forms a 2×2 block. New to it? Start with the rules, which solve one of the game’s own puzzles step by step, or play a small one right here.
Nurikabe
Topics
- Nurikabe TechniquesEvery Nurikabe technique on its own page, from complete islands to what-if, each shown on the same 8×8 puzzle from the game.
Guides
- Nurikabe for Beginners: Start HereNew to Nurikabe? Follow this path: the rules, your first 6×6, walls first, six small warm-ups with answers, and when to move up.
- Nurikabe Rules: How to Play (With Examples)How to play Nurikabe: the four rules, what breaks them, one of the game's 6×6 puzzles solved step by step, and where to start in any grid.
- How to Solve Nurikabe: 7 Techniques That WorkSeven Nurikabe techniques, from complete islands to what-if, how often the game's levels need each one, and an 8×8 from the game solved in stages.
- Nurikabe Tips: 8 Tricks to Solve FasterEight Nurikabe tips, measured on the game's 150 levels: start with the 1s, wall in complete islands, ask how far each island can reach, and watch for 2×2 blocks.
- 6 Nurikabe Mistakes That Break Your PuzzleStuck on a Nurikabe, or found an island that won't work? These six mistakes cause most broken grids. How to spot each one, and how to recover.