Free printable Nurikabe worksheets

185 print-ready PDF packs across five difficulty levels — 8 puzzles per pack with the numbered island clues pre-filled, plus a full answer key showing the black sea cells. Download and print. No signup, no ads.

Easy Nurikabe

5×5 grids. Learn the island, sea, and no-pool rules.

Medium Nurikabe

7×7 grids. Unreachable-cell and island-isolation deductions become useful.

Hard Nurikabe

10×10 grids. Connectivity and pool-prevention reasoning required.

Expert Nurikabe

12×12 grids. Dense layouts with overlapping island reach.

Einstein Nurikabe

15×15 grids at the highest tier. Logic-only certified — no guessing.

About these worksheets

Each PDF is three pages: two pages of puzzle grids (four per page, with the island clue numbers pre-filled) followed by a full answer key where the sea cells are filled black. All puzzles are computer-verified to have a unique solution.

Packs are numbered sequentially within each difficulty. Pack 01 contains puzzles 1–8, Pack 02 contains puzzles 9–16, and so on up to Pack 37 (puzzles 289–296). Each difficulty has 300 distinct puzzles total.

If you'd rather solve interactively, play online with hints and step-by-step solutions. Or read the Nurikabe rules guide to learn island and sea mechanics.