| 摘要 |
PROBLEM TO BE SOLVED: To enhance interest in a game by adding value to a player according to his skill in the game. SOLUTION: During a BB (big bonus) game (step S900-S955), a BB game counter value is reduced corresponding to the advance of the game (step S945), the BB game counter value is increased corresponding to the establishment of a predetermined display pattern (step S944), or the BB counter is increased corresponding to the failure in a predetermined generator pattern (step S940), and when updated BB game counter indicates '0', the end of the BB game is detected to return to the normal game condition (step S950). COPYRIGHT: (C)2003,JPO
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