To provide a pachinko game machine which achieves a higher performance effect by making game balls roll on a stage.

A rotary type display device 8 is provided at the upper part of a display part 6a of the pachinko game machine and is equipped with a shutter 83. When the shutter 83 is opened, a pattern for the advance notice of the game state possible in the subsequent shift is displayed. Players try to predict the subsequent game state from the pattern shown with the opening of the shutter 83 and keep their eyes on the closed shutter. Prior to the opening action of the shutter, advance notice is given for the opening of the shutter with an optical display device 802 thereby further enhancing the expectations felt by the players.