| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of enhancing interest in an operation performance for changing a performance mode on the basis of operation of operation means that a player can operate.SOLUTION: A performance control CPU executes a shift lottery regarding whether a performance stage of a button performance is changed each time when shift control conditions are satisfied with satisfaction of the shift control conditions where continuation detection time of operation of a performance button reaches a predetermined, prescribed time t as an opportunity, and controls display contents of a performance display device such that the performance stage changes with winning of the shift lottery as a condition. |
