Nurikabe Puzzle

Nurikabe Puzzle: Your Daily Logic Challenge
Play Nurikabe, the classic Japanese logic puzzle game (also known as Islands in the Stream), directly in your browser. Fill the grid to build numbered islands and a single connected sea of black “water” cells, using pure deduction and no guessing.

What is Nurikabe?
Nurikabe is a grid-based puzzle, similar to Sudoku, Minesweeper, and Picross/nonograms. Use the numbered clues to decide which cells become islands and which become walls, while keeping all water connected and avoiding 2×2 blocks.

Endless puzzles: Generate a fresh, solvable Nurikabe puzzle every time you play.
Two board sizes: Quick 5×5 games for a short break or more challenging 9×9 grids for deeper thinking.
Instant solution check: Verify your answer with one click and watch all remaining cells fill in correctly.
Simple controls: Click to toggle cells between empty, island, and water states; perfect for both mouse and trackpad.
Built-in tutorial: Clear “How to play” rules and example boards help new players learn Nurikabe fast.

Perfect for fans of Sudoku, Kakuro, nonograms, and other brain teasers, Nurikabe Puzzle is a relaxing way to train your logic and focus.
Challenge your mind with a new Nurikabe puzzle anytime. Install Nurikabe Puzzle now.