| 摘要 |
PROBLEM TO BE SOLVED: To provide technique capable of preventing a game from giving monotonous impression to a player and speculative characteristics of a game from being excessively high. SOLUTION: An RT game is set to start by establishment of winning of a special prize pattern, and even if the special prize pattern winning is established in a period from finishing the last RT game to reaching the number of times of plays to the predetermined number of times, the start of the RT game is made invalid. Thus, because a player feels such that there may be cases the RT game is started and not started in spite of that winning of the special prize pattern is similarly established, a game can have variety. As a result, a game is prevented from being monotonous. Moreover, because continuous occurrence of the RT game can be prevented, speculative characteristics of the game can be suppressed. COPYRIGHT: (C)2011,JPO&INPIT
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