| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of suppressing deterioration of amusement by enhancing an expectation of a performance.SOLUTION: A game machine performs a lottery related to a jackpot, and when a lottery result is a jackpot, controls a game state to a jackpot game state. The game machine proceeds a game in any one performance mode of plural performance modes including a first performance mode in which an expectation degree to the jackpot of a special performance which may give an expectation to the jackpot as the lottery result is relatively high, and a second performance mode in which the expectation degree to the jackpot of the special performance is set to a low expectation degree which is lower than that of the first performance mode, to thereby give a player a doubt to the expectation to the jackpot, even when the special performance appears. Then, when the game is proceeded in a specific performance mode different from the first and second performance modes and the special performance appears, for removing the doubt, the expectation degree of the special performance in the specific performance mode is set to an expectation degree exceeding a high expectation degree.SELECTED DRAWING: Figure 5 |
