Billed on the box simply 'A Game of Strategy'Players alternate placing disks onto a 4x4 grid, orienting the pieces either vertically or horizontally. On his turn a player may enter a piece in either direction, or the player may change the orientation of a piece already on the board.You win by getting 4 disks in a row with the same orientation.All the disks are identical, and the players draw from the pool of disks which starts at 16. - BoardGameGeek