| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine enhancing game properties by achieving various game properties under profitable conditions. SOLUTION: The slot machine is provided with a profitable condition ending means 57 for ending a big bonus [BB] or a regular bonus [RB] on condition that a predetermined effective time TB or TR has elapsed after the occurrence of the big bonus [BB] or the regular bonus [RB] when symbols displayed by a symbol display means 10 and stopped after being varied form a big-bonus combination or a regular-bonus combination; an effective time information storage means 60 for storing a plurality of pieces of effective time information; an effective time information selecting means 61 for selecting either of the pieces of effective time information from the plurality of pieces of effective time information stored in the storage means 60; and an effective time setting means 62 for setting a predetermined effective time according to the piece of effective time information selected by the selecting means 61.
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