| 摘要 |
PROBLEM TO BE SOLVED: To increase a player's interest in a BB (big bonus) mode. SOLUTION: When one is not entitled to a specific winning generator within 100 games until one is entitled to a BB, a control section 30a shifts the game to a first BB mode and permits a player play one game in an RB (regular bonus) mode. When one is entitled to a specific winning combination within 100 games until a game is shifted to the BB mode, the control section 30a shifts the game to a second BB mode and permits a player to play 30 games in the RB mode. When one is entitled to a BB within 100 games from when one wins a specific winning combination a plurality of times, the player will have the impression that he was concentratedly repeatedly shifted to the BB mode. COPYRIGHT: (C)2004,JPO
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