| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of preventing a player's interest in the play from being impaired by the loss of a sense of expectancy as much as possible, and capable of making the player sufficiently enjoy presentation. SOLUTION: The game machine includes: a presentation request commanding means 60 for commanding a request for display of a presentation mode according to the operation by the player; a derived display random number extracting means 459 for detecting whether the presentation request commanding means 60 is operated or not within a prescribed period and extracting a derived display random number from a random number counter whenever the presentation request commanding means is operated; an operation frequency counting means 456 for counting the number of times of operation; deriving rate determining means 457 and 458 for determining a jackpot-time deriving rate and a missing-time deriving rate based on the number of times of operation; and a display determining means 470 for determining whether the presentation mode should be displayed or not based on the derived display random number and the jackpot-time deriving rate at the time of winning, or based on the derived display random number and the missing-time deriving rate when missing. COPYRIGHT: (C)2011,JPO&INPIT
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