Welcome to KAKURO – the cross numbers puzzle. KAKURO is a pure logical challenge that is extremely satisfying to solve. It is like the cross word puzzle however the cells have to be filled with numbers that have to satisfy both horizontal and vertical sums located in the circles on the grid.

KAKURO originated in Japan by the Japanese business man Mckee Kaji during the 1960s and spread worldwide since then as one of the most challenging puzzles ever created.

KAKURO grid can have any configuration but the puzzles in this edition are purely limited to the 9×9 cells grid.