| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which can improve players' interests by adding a fun to the decision of whether the AT (assist) state should be operated or not. SOLUTION: The game machine comprises a mode updating means, a special performance period control means, an initial point lottery notification means, a point lottery means, a cumulative point information memory means, a requirements determining means, a notification period starting means, and a performance execution means. The special performance period control means ends a special performance period upon the meeting of success requirements or failure requirements. COPYRIGHT: (C)2009,JPO&INPIT
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