| 摘要 |
<P>PROBLEM TO BE SOLVED: To concentratedly produce a BB game despite a simple structure. Ž<P>SOLUTION: In a regular period of a regular game and an RT game, BB prizes are assigned to all lottery divisions. In winning a minor winning combination prize and a replay prize, a stop control is executed to preferentially get the BB prize. This method allows only a game, which wins a lottery division 11 in an internal lottery and validates a winning flag of the BB1 prize, to win the BB1 prize. In the RT game, a probability of selecting the lottery division 10 is lowered compared with that of the regular game and, by just that much, the probability of selecting the lottery division 11 increases substantially 11 times more than that of the regular game. Therefore, RT game can improve a possibility of winning the BB prize. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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