| 摘要 |
PROBLEM TO BE SOLVED: To increase amusement of a game by reporting that control is to be performed to a jackpot game state based on a sudden probability variable jackpot. SOLUTION: The jackpot game state includes that after normal big winning symbols or probability variable big winning symbols are derived and displayed, and that after sudden probability variable jackpot patterns are derived and displayed. On the basis of the fact that a game control means determines to attain a sudden probability variable jackpot when it is a probability variable state, a performance control means temporarily stop-displays normal jackpot symbols at a performance display device and then reports that the sudden probability variable jackpot is to be attained. COPYRIGHT: (C)2011,JPO&INPIT
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