| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of keeping player's desire to continue a game by providing a sense of tension in the game. SOLUTION: When a game ball enters a winning gate, drawing of normal symbols is performed. When a winning is drawn, a second start port is opened for the prescribed time. A first start port and the second start port are provided in a game area, and when a game ball enters the start ports, drawing of special symbols is performed. When a big winning is drawn by the drawing of the special symbols, a round game is executed, and a time shortening game state is generated thereafter. The opening time of the second start port is set to 0.2 s normally and is set to 3.5 s in the time shortening game state. Further, when a small winning is drawn by the drawing of the special symbols, a middle opening extension state is attained. When a winning is drawn by the drawing of the normal symbols in the middle opening extension state, the opening time of the second start port is set to 1 s. The setting frequency of the middle opening extension state is different between a high probability game state and a low probability game state. COPYRIGHT: (C)2010,JPO&INPIT
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