To provide a game machine with a structure which achieves the attractiveness in the games with the higher expectations felt by enabling the guiding of the pachinko balls when moving toward the prize winning slot while enabling the instantaneous judgement of where the pachinko balls go as discharged to the stage provided on the frame body of a pattern variable display device.

The pattern variable display device 200 in a pachinko game machine is provided with a discharge part 200C2 for the pachinko balls approaching an intake port provided in the game board 3, a ball gutter part 202 which is provided traversing the display surface of the pattern variable display device while following the discharge part 200C2 and a stage 202B which enables the guiding of the pachinko balls dropping from at least the ball gutter part 101 toward the starter prize winning slot. The guide part 200C of the pachinko balls at the ball gutter part 202 and the stage 200B is provided with a means 204 which enables the selection of the opened or closed position of the guide part 200C by getting it moved being pushed with the game balls discharged to the ball gutter part 202.