The object of the game is to score points by placing tiles so they form continuous lines. Each tile is a square with bars connecting either the opposite sides, the opposite corners, or both. The board is plastic with an 8x8 grid of circular holes, and the tiles have circular bases that fit into the holes. Each turn, a player places one of his tiles on the board and scores for any straight lines formed connecting the bars on the piece just played with the bars on adjacent pieces. - BoardGameGeek