GAME MACHINE

PROBLEM TO BE SOLVED: To provide a game machine capable of well monitoring a given event in a situation where power supply to a game machine itself is cut off.SOLUTION: A slot machine includes a main control device 71 for executing various processing for progressing a game and performing given monitoring when operation power is supplied to the slot machine itself. In a case where an occurrence of a monitoring target event is identified in the main control device 71, abnormality is reported by a presentation display device 63 and the like on the basis of report control by a secondary-side MPU 85. Further, the slot machine includes a monitor-side MPU 91 for performing given monitoring even when operation power is not supplied to the slot machine itself. In a case where an occurrence of a monitoring target event is identified in the monitor-side MPU 91, a reporting device 111 reports abnormality.