| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine capable of maintaining the attraction to a player and improving the rate of operation. SOLUTION: A first condition for releasing a big bonus (BB) flag is that a set number of rounds of regular time (RT) game are executed and a second condition is that a specific small hand (a single cherry) is won. In a lottery for selecting a section for determining the frequency of the RT game concerning the first condition, the probability of selecting a section before the 256th round of the game is set higher than the probability of selecting a section after that. For the lottery for releasing as the condition for establishing the winning of the single cherry, the probability of winning in a section before the 256th round of the game is set lower than the probability of winning in a section after that. COPYRIGHT: (C)2005,JPO&NCIPI
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