| 摘要 |
PROBLEM TO BE SOLVED: To provide a Pachinko game machine making a game player feel as if the continuance frequency of jackpot rounds increases/decreases by a lottery, although the continuance frequency of the jackpot rounds is fixed to a definite frequency. SOLUTION: In the Pachinko game machine, the total of the unit openings frequency enabling an upper extra prize-winning port to open reaches a definite frequency of "48" regardless of the number of a set result of the continuance frequency of upper jackpot rounds. The continuance frequency of lower jackpot rounds varies according to the number of the set result of the continuance frequency of the upper jackpot rounds. During the execution of the upper jackpot rounds, the set result of the continuance frequency of the lower jackpot rounds is reported to the game player on a screen of a challenge game. As a result, while the upper jackpot round being a part of a jackpot game is concealed, the game player is made to recognize that only the lower jackpot round is the jackpot game, thereby allowing the player to feel that the continuance frequency increases or decreases through a lottery, although the total of the continuance frequency of the lower jackpot rounds and that of the upper jackpot rounds are fixed to a definite frequency of "16". COPYRIGHT: (C)2010,JPO&INPIT
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