To increase a motivation of a player to play a game by effectively utilizing a movable body accessory performance even in losing variable display operation that occupies the greater part of pattern games.

A game machine is configured to include: a predictive performance (S303) that allows a player-participatory special performance appearing during a game pattern variation display game and utilizing operation means to appear before operation of the operation means, and includes an operation informing performance for urging a player to perform operation; and winning or losing determination performances (S304-S309) that appear after operation of the operation means, and report a lottery result by lottery means. During the predictive performance, a movable body accessory 60 is moved from an origin position A to an intermediate performance position B that is advanced by one step toward the center of a display area. During the winning or losing determination performance, the movable body accessory is moved from the intermediate performance position B to a final decision performance position C advanced toward the center of a display area when a lottery result is winning. When the lottery result is losing, the movable body accessory is returned from the intermediate performance position B to the origin position A.