Shikaku is a minimalist logic puzzle game. Divide the grid into rectangular or square blocks by dragging across cells. Every block must contain exactly one number, and the total area of the block must equal the number inside it. Blocks cannot overlap, and every cell on the grid must be covered. Features and Benefits: No ads. No trackers, analytics, or telemetry. Offline first with zero internet permissions required. Infinite procedurally generated levels across multiple grid sizes.