| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which can improve the operation rate thereof. SOLUTION: When the game balls win a first major slot 33a, under the condition of disabling the execution of the jackpot lottery at a random number counter C1a based on the start prize winning, when the execution of the jackpot lottery at a second jackpot random number counter C1b is enabled, it is made possible to house the jackpot lottery at the second jackpot random number counter C1b. On the other hand, when the game balls win the second major slot 33b, under the condition of disabling the execution of the jackpot lottery at the second jackpot random number counter C1b based on the start prize winning, when the jackpot lottery at the first jackpot random number counter C1a is enabled, it is made possible to house the jackpot lottery at the first jackpot random number counter C1a. COPYRIGHT: (C)2005,JPO&NCIPI
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