Shimaguni is a Nikoli logic puzzle where you shade cells in a grid divided into regions. Each region has a target number of cells to shade, with rules about connectivity and adjacency.

How do I play Shimaguni?

Tap cells to shade them. Each region must contain its target number of shaded cells, connected together, with no shaded cells touching across region boundaries and adjacent regions having different counts.

Yes, Shimaguni is completely free to play online at GameZipper with 27 levels.

Play Shimaguni Online Free - Nikoli Island Shading Puzzle

Select a level. Beat each to unlock the next!

Level 1 0:00

How to Play

1. Each outlined region shows a number — shade exactly that many cells.
2. Shaded cells in a region must be connected (touching).
3. Adjacent regions must have different shaded counts.
4. Shaded cells from different regions must not touch.
5. Tap a cell to shade/unshade it.

Satisfy all rules to win! Use Check to find mistakes.

How to Play

Solved!