| 摘要 |
PROBLEM TO BE SOLVED: To achieve a game property in which an importance of a small winning is effectively enhanced to a player.SOLUTION: Specific game execution means 122, after a special game is completed, shifts a state to a probability variation state where a probability in which a win/lose lottery result is a big winning is high, and selects any one of a plurality of modes on a length of a duration in the probability variation state. Performance determination means 132, in the probability variation state, when the win/lose lottery result is a small winning in accordance with an entry of a ball to a second start port 63, allows a performance to encourage an operation input to an operation button 82 to be displayed, and when the operation input to the operation button 82 is detected, allows a performance to suggest a duration of the probability variation state to a player to be displayed.SELECTED DRAWING: Figure 3 |
