| 摘要 |
PROBLEM TO BE SOLVED: To enhance entertainment of a game by suppressing the disappointment of a player even if an advance notice performance having low possibility that a display result shows a jackpot is executed.SOLUTION: In a transition pattern at which a performance is transited to a special continuous performance from a normal continuous performance, there are set a plurality of timings (timings of t1 to t4) of background changes at the transition, and the expectation of a jackpot is made to differ depending on the timings. |
