Free Daily Puzzle: Raneko 8×8 (0025)

Raneko is a logic puzzle published by Nikoli, played on an 8×8 grid.

• The grid contains circles (empty or numbered) and may include black cells.

• Divide the grid into regions.

Circles (cats)

• Each region must contain exactly one circle.

• A numbered circle gives the size of its region (number of cells).

• An empty circle belongs to a region of unknown size.

Black cells

• Black cells are not part of any region.

• A number in a black cell tells how many different regions share an edge with that black cell.

Solved by logic alone; the puzzle has a unique solution.