| 摘要 |
PROBLEM TO BE SOLVED: To suppress decline in interest by maintaining player's expectation even when a normal big winning is derived before the generation of a big winning game. SOLUTION: Upon an entry to start ports 390, 392 and 394 to win a prize, drawing is performed. The drawing result is led out to a performance image display device 115 through prescribed variable display. When winning in the drawing, the big winning game of opening and closing opening/closing devices (an opening/closing device 400 for the big winning game and an opening/closing device 398 for performances) is performed. When a game ball enters the opening/closing device 398 for the performances to win a prize and a first condition is established in the big winning game, the game ball is held by a distribution mechanism 450. Further, when a second condition is established, a performance operation of an accessory 420 for the performances using the game ball held by the distribution mechanism 450 is executed, and which of a normal game and a probability variable game is a game state after the big winning is derived. COPYRIGHT: (C)2008,JPO&INPIT
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