This game is played on a 7x7 board with the center square blacked out. There are 24 pieces, 6 of 4 different colors. Each piece is a domino covering exactly two cells of the board. Both players choose pieces from a shared pool.

There are two players in the game: the starting player is called 'More' and the other player is called 'Fewer'.

The goals of the game are opposite for both players. The 'Fewer' player wins a finished game if the number of distinct groups of cells of the same color is less than 12. Otherwise the 'More' player wins.