| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine with high game property without needlessly stirring the aleatory feeling of a player. SOLUTION: The slot machine is for playing a game by using medals or an inner credit. When BB prize-winning is established in a normal game state, a big bonus can be generated which is advantageous to the player. The big bonus is ended when the number of obtained media reaches an upper limit value, and an afterward game state is shifted into AT in response to how the big bonus is ended. COPYRIGHT: (C)2003,JPO
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