It is the same mechanism of the game Kakuro, but realized in a bigger box with a real gambe board. Kakuro is a puzzle that has conquered the pages of many newspapers and specilized publications. This game board version is designed for 2 to 4 players who must challenge each other on a square grid using the white numbered cards to fulfil the objective of forming the totals shown on the dark cards. During each game there will always be new schemes on the table.