| 摘要 |
PROBLEM TO BE SOLVED: To provide a pinball game machine capable of preventing the decline of the operation rate of the pinball game machine by preventing the suspension of shooting of game balls by a player while patterns are variably displayed, and capable of making the player more interested by increasing the frequency of winning jackpots while maintaining the rate of profit return to the player. SOLUTION: The pinball game machine comprises a game ball reserving device 20 for reserving game balls, a first starting detection device 25 and a second starting detection device 27. A jackpot lottery means executes a first or second jackpot lottery. The number of rounds of a unit special game executed when a jackpot is won in the second jackpot lottery is larger than the number of rounds in the first jackpot lottery. Accordingly, the suspension of shooting of game balls by the player while patterns are variably displayed can be effectively prevented, and the frequency of winning jackpots can be increased while maintaining the rate of profit return to the player. COPYRIGHT: (C)2006,JPO&NCIPI
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