Shade cells so every numbered clue equals its count of black neighbors (up, down, left, right). A Nikoli-style logic puzzle with 30 hand-crafted levels.
Sound
Level1
Score0
Time0:00
Hints3
0Stars
0/30Solved
How to Play Kurotto
2
Numbered cells stay white. The number tells you how many of its 4 orthogonal neighbors must be shaded black.
Tap empty cells to toggle between white and black. Find the unique shading that satisfies all clues.
3
Clues turn green when satisfied and red when over-counted. Solve all clues to win!
Each puzzle has exactly one unique solution. Use logic — no guessing needed!