| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a game machine which effectively protects a game parlor from any disadvantage due to a fraudulent act.SOLUTION: The Pachinko game machine includes: a put-out device 140 for putting out prize balls; put-out control means 170 for performing control to put out a predetermined number of prize balls by the put-out device 140 when a predetermined winning condition is satisfied; a shooting device 130 for shooting a game ball according to a game player's shooting operation; switches 41 and 42 for detecting the game ball shot by the shooting device 130 and used in a game; a shooting number counter for counting the number of game balls detected by the switches 41 and 42; and a prize ball counter for counting the number of game balls acquired by the game player as the prize balls according to satisfaction of the prize winning conditions. The Pachinko game machine identifies a put-out rate on the basis of results of counting by the shooting number counter and prize ball counter and determines whether the put-out rate is an abnormal value or not on the basis of a predetermined abnormal put-out rate determination value.</p> |
