To make it easy for a game player to recognize a report of a lottery result to determine whether or not to shift a game state advantageous to the player and to enlarge the range where a performance display is conducted on a pattern display device.

In the case of a win in an open lottery, rotation of hands 24a and 25a stops so that the hands 24a and 25a stop in a first position, thereby communicating the win in the open lottery to the player. A main control device 42 rotates a movable member of a start winning port in an open position. In the case of a blank in the open lottery, the rotation of the hands 24a and 25a stops so that the hands 24a and 25a stop in a second position, thereby communicating the blank in the open lottery to the player, in which the main control device 42 does not rotate the movable member to retain it in a closed position.