| 摘要 |
PROBLEM TO BE SOLVED: To permit interest to be further improved by relating the execution of an advance announcement performance before the start of a variable display resulting in jackpot patterns to the causing of a probability variation jackpot in which the winning rate of a game ball in a variable winning means varies according to the kind of probability variation patterns. SOLUTION: When a jackpot determination based on reservation and storage decides to cause a jackpot, the game machine carries out the advance announcement performance announcing that the jackpot materializes in one or more variations before a variation based on the reservation and storage is started. The game machine carries out also the same performance as a special performance to be carried out when two rounds of a sudden probability variation jackpot occurs as the advance announcement performance. COPYRIGHT: (C)2010,JPO&INPIT
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