| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine capable of effectively raising interest by varying the pace of a game. SOLUTION: A normal game state includes: a game by betting three tokens for permitting the start of the game only by the betting of the three tokens; and a game by betting the two tokens for permitting the start of the game only by the betting of the two tokens. When control is performed by the game by betting the two tokens after the termination of a big bonus, there is no change in the kinds of prize winning to be the object of a lottery by an internal lottery when compared with a case where the control is performed by the game by betting the three tokens, but the regulation number of the betting number for permitting the start of the game is defined as "2". Consequently, The synthetic probability of the prize winning probability of the big bonus (1) and that of the big bonus (2) is made to be higher compared with the game by betting the the three tokens. COPYRIGHT: (C)2007,JPO&INPIT
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