To provide a game machine for minutely saving energy without deteriorating amusement in a game.
This game machine includes a game state input part (80) for inputting a game state inside the game machine; an operation detecting part (81) for detecting the state of an operation by a player performed to the game machine; and external output device power control parts (82, 83), which are provided with external output device power change determining parts (821, 831) for inputting the respective states from the game state input part (80) and the operation detecting part (81), so as to determine whether or not the largeness of an output to a display device to be operated in response to the control of the game machine is changed, and with external output device power reducing parts (822, 832) for allowing the largeness of the output to the display device to be smaller than that in normality.
Akimitsu Hirai
Toshiyasu Ohno
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