| 摘要 |
PROBLEM TO BE SOLVED: To emphasize a ball put-out feeling by the continuance of special game modes. SOLUTION: When winning a BB shifting bonus which is a special game shifting bonus, the BB shifting bonus is stored and shifting to a first RT mode is performed. When winning an RB shifting bonus in a game during the first RT mode, an RT mode to be performed when ending an RB mode by the winning of the RB shifting bonus is determined. In the case that the RT mode to be shifted to after the end of the RB mode is a second RT mode, the BB shifting bonus is discharged after a prescribed number of times of the games and shifting to a BB mode is performed. Also, when shifting to the BB mode, the RT mode after the end of the BB mode is determined. Then, in the case that the RT mode to be shifted to after the end of the BB mode is a third RT mode, the BB mode continues for two times further. COPYRIGHT: (C)2004,JPO
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