| 摘要 |
PROBLEM TO BE SOLVED: To enable the relatively simple winning of successive games in a pachinko game machine including a mobile accessory within a major prize winning slot. SOLUTION: The pachinko game machine includes the first starter slot 80 and the second starter slot 81 including an electric tulip and executes one-time accessory game making the first major prize winning slot 9 open once or two-time accessory game making the slot open twice prompted by the winning of both the starter slots. The ratio of the probability of executing games by winning the first starter slot is set at 1:9 between the one-time accessory game and the two-time accessory game and the ratio of the probability by winning the second starter slot at 9:1. After the end of the jackpot game, the game is shifted to 4 times or 100 times of electric tulip support mode. A chest pocket part 41 shiftable to the normal position or to the protruded position of making the specified prize easier to win than at the normal position is provided within the major prize winning slot 9. The chest pocket part 41 is so operated as to increase the ratio of the period of keeping it at the protruded position with the more frequency of opening the slot during the accessory game. COPYRIGHT: (C)2009,JPO&INPIT |
