The present invention relates to a control method for controlling gate data of a game in which a plurality of players take part. Before the start of the game, game data is copied form the memory region of each player and stored in a prescribed game memory region, based on the game data of each player stored in the prescribed game memory region, the game is played, and after the end of the game, the game data of each player stored in the game memory region is returned to the memory region of each player.