| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for controlling a game motion improving a game property in a specified game mode in a rotary drum game machine. SOLUTION: When a thrust-lottery result indicates a rush into a BB, thirty games in a minor bonus game group are wholly conducted. When the number of game medals obtained in the minor bonus game group reaches a specified number or more, the number of jack game practices is settled by a lot using a continuous number lottery A random number counter 2210. While the jack games are conducted by the practice number settled by the lottery, in another case, the jack games are conducted by three times specified, allowing the jack games to be conducted without failure in conducting a minor bonus game like a conventional BB. The number of the jack games are settled by the lottery, improving the game property as such. COPYRIGHT: (C)2004,JPO
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