| 摘要 |
PROBLEM TO BE SOLVED: To provide a gaming machine suitable for an attempt to achieve both the realization of attractive payout rates for players and the sales on the side of a machine provider (for example, casino). SOLUTION: An additional BET button 38 is used to bet coins (for example, 5 coins) additionally to the bet in the specified upper limit number (for example, 30 coins) set by a maximum BET button 35. When the mode switching button 37 is operated, the duration time of a base game is switched from a first duration time to a second duration time. The base game is executed in the second duration time shorter than the first duration time. When the duration time of the base game is the second duration time, the payout rate of the gaming machine 1 is a second payout rate higher than a first payout rate when the duration time of the base game is the first duration time. When the payout rate is switched to the second payout rate, the winning probability of a bonus game is increased compared to that at the time of the first payout rate. COPYRIGHT: (C)2011,JPO&INPIT
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