| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of eliminating monotonous play in a jackpot game, permitting technical intervention by a player, and allowing a game pallor side to adjust the profit distribution. SOLUTION: The game machine has a plurality of large winning holes. If the result of determination by a jackpot determining means is a jackpot, any one of the plurality of large winning holes is opened/closed in each round by a large winning hole opening/closing control means, so that it is necessary to shoot a game ball from a shooting device with different resilient force according to the opened/closed large winning hole. In this way, as the player can technically intervene in the game, the attraction of the jackpot game can be enhanced. Further, as the resilient force from the shooting device can not be retained constant, such fraudulent play as fixing of the shooting device or simultaneous play in a plurality of game machines can be prevented. COPYRIGHT: (C)2007,JPO&INPIT
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