Game point play button, select the game mode, and then select single or multiplayer modes, single: and about the direction of control, accelerated. People can choose two, three, four games together, and games are played four games: play1: and about the direction of control, acceleration; play2: ',' and '.' About control direction, '?' acceleration; play3: and about the direction of control, key acceleration; play4: and about the direction of control, accelerated.