| 摘要 |
PROBLEM TO BE SOLVED: To let a game player enjoy in a situation where the game player can expect to enter a high-probability lottery state.SOLUTION: The open/close mode of a jackpot winning port based on a shortened two-round jackpot winning and the open/close mode of the jackpot winning port based on a shortened two-round minor winning are merged into one mode. Thus, when the jackpot winning port is opened or closed in the open/close mode based on the shortened two-round jackpot winning or the shortened two-round minor winning, the winning type which caused the jackpot winning port to be opened or closed cannot be identified. In addition, the open/close mode of the jackpot winning port based on an irregular minor winning and the open/close mode of the jackpot winning port based on an irregular jackpot winning are merged into one mode over the section from the beginning to at least a midpoint. Thus, until at least the midpoint is reached, which type of winning causes the jackpot winning port to be opened or closed cannot be identified from the open/close mode of the jackpot winning port. |
