To provide a game machine which accepts the operation of the game player even during the processing time when game player is conventionally unable to operate, so that the processing time can be used effectively.

The slot machine 100 accepts operation of a start lever 135 during the reel rotation accelerating process and change the current presentation of performance into a different presentation when operation of the start lever 135 is accepted. In an embodiment, when the start lever 135 is operated during a performance of presentation B, the presentation B is stopped to perform the normal time presentation A performed prior the presentation B.