| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a game machine suitably preventing fraud that generates the cause of a failure. <P>SOLUTION: In this game machine, when a game ball enters operation ports 38, 39 provided in a game area, a lottery is performed in a main controller, and when a predetermined result is obtained in the lottery, a game state enters an opening/closing mode allowing balls to enter a variable winning device 36 or a distribution winning device 37 provided in the game area. A game board 31 is provided with a vibration detection sensor 117 detecting vibration. When the vibration is detected by the vibration detection sensor 117, and a game ball having entered the distribution winning device 37 is discharged without performing V winning, in a period allowing entry into the distribution winning device 37 and a period where the game balls remain in the distribution winning device 37, the game machine stops a game after the period lapses. <P>COPYRIGHT: (C)2012,JPO&INPIT |
