To further enhance a performance effect by effectively utilizing a normal pattern variable performance.

A pinball game machine comprises: a first performance mode for executing a normal pattern variable performance by using only normal pattern display means; and a second performance mode for executing a normal pattern variable performance by using normal pattern performance display means 20 along with the normal pattern display means. According to a game state, whether a normal pattern variable performance by the normal pattern performance display means 20 is executed is selected. More specifically, one of the first and second performance modes is selected.