| 摘要 |
PROBLEM TO BE SOLVED: To improve reliability in enhancing player's expectation for a big win in a performance pattern in which a main performance displayed, subject to an operation input during an introduction performance.SOLUTION: Pattern storage means 130 stores a plurality kind of response performance patterns in which a main performance is displayed if an operation input is executed via an operation button 82 during an introduction performance. The plurality kind of response performance patterns comprises: a first response performance pattern in which the introduction performance is shifted to the main performance if the operation input is executed during a valid time; and a second response performance pattern in which a previous notice pattern suggesting play mode change is displayed at a predetermined timing within a valid time during the introduction performance and in which it is defined that shift from the introduction performance to the main performance is suppressed until at least the previous notice pattern is displayed. |
