| 摘要 |
PROBLEM TO BE SOLVED: To provide a game ball loading type spin drum game machine which can block a drop in the attractiveness by making the progress of games smooth as a whole even when a large number of game balls are loaded and putout. SOLUTION: A ball casting spin drum machine 1 has a storage tray body 20 capable of storing game balls as game media on its front side and the start of a game is made ready when a prescribed unit number of game balls are loaded inside with a game ball loader from the storage tray body 20. With the start of the game, the rotary display is started with a pattern variable display device 13. Then, when the pattern variable display device 13 is stopped to make a display, the combination of figures stopped as displayed on a valid line is as specified, a bonus game is executed in which a large number of game balls are put out together with prize balls for a short period of time from a game ball putout device. COPYRIGHT: (C)2009,JPO&INPIT
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