Patent ID: 8758134

Claim:
A game machine comprising: an entertainment button configured to be able to move up and down from a normal operation position to a protruding position in which the entertainment button protrudes upward from the normal operation position; a display part configured to display characters associated with a game; a character determining part configured to determine a character to be displayed on the display part; a stopper plate configured to hold the entertainment button in the protruding position; a protruding position detecting part configured to detect the entertainment button being held in the protruding position by the stopper plate; a push operation detecting part configured to detect the entertainment button being pushed down, the push operation detecting part using hardware to detect that the button is pushed down from a normal position, and using said hardware to also detect that the entertainment button is pushed down from the protruding position; and a time interval measuring part configured to measure, in a case in which the protruding position detecting part detects the entertainment button being held in the protruding position, a time interval until the push operation detecting part detects the entertainment button being pushed since the protruding position detecting part no longer has detect the entertainment button being held in the protruding position, wherein the character determining part determines a character to be displayed on the display part, based on the time interval measured by the time interval measuring part, when the push operation detecting part detects the entertainment button being pushed.