| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which permits a player to decide whether to increase the probability of execution of a jackpot decision performance by himself. SOLUTION: The game machine permits the player to make a performance normally with a high degree of expectation of a jackpot into the jackpot decision performance and the jackpot decision performance easy to carry out by operating a performance button which the player can operate. COPYRIGHT: (C)2011,JPO&INPIT |
