To provide a game machine which makes a player enjoy a game fully and which stabilizes earnings of a game hall.

A Pachislo machine is provided with: a calender IC 100 for obtaining a present time; a one-game monitoring timer for obtaining an elapsed time; a subtraction means for subtracting the elapsed time from "4.1 sec" e.g.; a negative number carrying over means which carries of the absolute value of the negative number as a stored time when a value obtained by the subtraction is negative; and a main control circuit 71 functioning as a game start regulation means for regulating input of a start switch 6S caused by starting operation of the game based on the stored time and a value obtained by subtracting the elapsed time from "4.1 sec" next time during 6 hours from 5:00 p.m. to 11:00 p.m. obtained by the calender IC100. The shortage of the elapsed time is compensated by using the stored time, thereby stabilizing an operating rate.