Played on a board of 8 x 7 squares. The 2 players have 12 cylinders with the top closed (3 small of 4 value, 3 medium of 3 value, 3 big of 2 value, and the 3 biggest of 1 value). They can be put one on another like Russian dolls. At the beginning of the game, the 12 cylinders are on the line before their owner (6 under the 6 others). The object of the game is to bring 12 value points on the line before the opponent. When a player takes a turn, he can :
take one of his cylinders and make it "eat" a foe cylinder next to it (8 directions) of a size immediately smaller
free the cylinders under a top friendly cylinder by moving it in an adjacent square
simply move to an adjacent square , a friendly cylinder or group of cylinders in which the top cylinder is his
Players must add memory to tactics in order to remember what cylinders are under the others.