How to Play

General Rules

Each puzzle has its own specific set of rules. Choose a puzzle from the homepage to get started.

Shikaku

Divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Kakuro

Fill the empty squares with numbers 1 to 9 so the sum of each horizontal block equals the clue on its left, and the sum of each vertical block equals the clue on its top.