| 摘要 |
PROBLEM TO BE SOLVED: To improve the interest of a player during a winning game by performing a plurality of announcement performances differed in meaning to be announced with respect to a winning mode to thereby give variations to a process up to the announcement performance.SOLUTION: During a symbol variation game, a performance for drawing out to which of a winning game BA performing a first announcement performance and a winning game BB performing a second announcement performance the game should be shifted is executed, and according to a performance result, the game is shifted to the winning game BA or the winning game BB. A shift to the winning game BA is allowed when a probability variation jackpot is determined, and in the first announcement performance, a winning game mode which affects the number of prize balls acquirable during the winning game is announced. On the other hand, the shift to the winning game BB is allowed when any of a probability variation jackpot and a probability non-variation jackpot is determined, and in the second announcement performance, a game state after the end of the winning game is announced. |
