| 摘要 |
PROBLEM TO BE SOLVED: To increase a desire to perform a game.SOLUTION: Entry of a game ball to a second start pocket is configured to be more advantageous to a player than entry to a first start pocket. In the meantime, a probability that a jackpot of a type having the highest degree of advantage of putout balls from among decidable jackpots when winning a jackpot lottery following entry of a game ball to the first start pocket is set higher than a probability that a jackpot of a type having the highest degree of advantage of putout balls is determined from among decidable jackpots when winning a jackpot lottery following entry of a game ball to the second start pocket. |
