The players each take turns placing one of the 49 game pieces on a 7x7 playing field. The player who places a tile on the last square of a vertical, horizontal or diagonal row receives the victory points for this row according to its length (vertical and horizontal 7 each, diagonal 2 to 7). As soon as the last tile has been placed, the player with the most points wins. The game has appeared in a series of games with educational intentions.