| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a Pachinko game machine performing a downgrading lottery during a winning probability oscillation status, the Pachinko game machine reducing the risk of a player without player's avoidance and easily increasing the operation rate thereof. <P>SOLUTION: When a prize is generated at a start pocket during the probability oscillation game status, a downgrading lottery is performed once, and when the player operates a presentation button 9, a lottery result (Z5, Z6) of the first downgrading lottery is displayed. When failing the first downgrading lottery, the winning probability oscillation game status is continued, and when drawing a prize a game progresses to the second downgrading lottery. When the player operates the presentation button 9, a lottery result (Z8, Z9 shown in Fig.8) of the second lottery result is displayed. When failing the second downgrading lottery, the winning probability oscillation game status is continued, whereas when drawing a prize, the game is downgraded to a normal game status. <P>COPYRIGHT: (C)2013,JPO&INPIT |
