摘要 |
PROBLEM TO BE SOLVED: To enhance the playing potentialities of a pinball machines in the process until the winning of the special pattern, serving as the conditions of starting the special games, is decided. SOLUTION: In a Pachinko game machine 10, a specified prize winning device 118 is provided at the prescribed position in the playing area and the game balls drop thereinto regardless of the game statuses. A starter slot 112 is provided at the prescribed position in the playing area. A starter prize winning judgment means 214 executes the lottery at the prescribed probability to judge whether the valid period should be set or not responding to the drop of the game balls into the starter slot 112. When the result of the lottery is the win, a valid period control means 230 sets the given period as the valid period. A special game control means 208 shifts the game to the special game status advantageous for the players responding to the drop of the game balls into the specified slot within the valid period. The length of the valid period is changed properly when the game balls drop into a valid time extension slot or a valid time shortening slot during the valid period. COPYRIGHT: (C)2006,JPO&NCIPI
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