GAME MACHINE

PROBLEM TO BE SOLVED: To surely prevent illegal opening by maintaining a sealed state with extremely high sealing force.SOLUTION: This game machine includes a substrate sealing device 1 disposed on the rear face of a door body. The substrate sealing device 1 includes a cover member 3 and a base member 4 storing a relay substrate 2 in an openable/closable manner, and sealing parts 30, 40 sealing the respective members 3, 4 out of opening/closing through a sealing pin 5. The sealing parts 30, 40 has openings 311, 411, 412 with which the sealing pin 5 communicates in an insertable manner, and the openings 411, 412 on the base member 4 side are arranged to hold the opening 311 on the cover member 4 side in between. The sealing parts 30, 40 are formed at both right and left ends of the respective members 3, 4, and the sealing pin 5 is locked to each locking part 31b by push-in operation substantially along a horizontal direction inward from the outside of the device with respect to the respective sealing parts 30, 40.