The connection circle piece is a kind of puzzle logic small game. In the game, players need to put their own wafer in the game grid column, before the opponent as soon as possible in the vertical, diagonal or horizontal direction of filling in a continuous at least 4 pieces, so even if won. Game is the form of both sides, the player to calculate each others way of thinking and logic, can not blindly follow, can actively attack and defense. This is a test of mental and observation of the game, and so on what, to challenge it!