To provide a game machine capable of attaining effective utilization of a side region in a game region.

In a Pachinko game machine 10, a first starting gate 18A is provided in a side region in which a display decoration frame 23 and a guide rail 12 oppositely face laterally in a game region R1, and a side jackpot hole 50 is provided adjacently to an entry restricting wall 23D of the display decoration frame 23 in the lower part of the first starting gate 18A. In the side edge on the opposite side from the display decoration frame 23 in the side jackpot hole 50, a guiding member 60 is provided which guide game balls to the side jackpot hole 50. As a result, a winning boundary line segment N, which connects from an uppermost position P0 of the guiding member 60 to an intersection P3 of the display decoration frame 23 through a lower right corner P2 of a ball entry game 18G, can be assumed as a substantial winning hole of the side jackpot hole 50. Therefore, a game player can enjoy through visual recognition a state in which a game ball passing through the winning boundary line segment N moves in a high probability downstream region K and enters the side jackpot hole 50.