| 摘要 |
PROBLEM TO BE SOLVED: To appropriately reduce the time interval between game rounds. SOLUTION: A winning lottery is executed by a main control device based on entrance of game balls into actuation holes 38 and 39 disposed in a play area. When the result of the winning lottery is a win, the game state is shifted to an opening/closing mode in which entrance into variable winning devices 36 ad 37 is possible. The opening/closing mode includes a plurality of game rounds terminated on condition that an upper-limit continuance time elapses, or that an upper-limit number of game balls enter the target variable winning device 36 or 37 to be opened. When a first variable winning device 36 is the target to be opened when the former game round, for example, in a plurality of continued game rounds is terminated, a second variable winning device 37 is set as the target to be opened when the latter game round is started. COPYRIGHT: (C)2011,JPO&INPIT
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