| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which is equally beneficial to both of the game stores and game players. SOLUTION: In the game machine having the game mode where the combination of winning probability of the internal lottery and the game execution efficiency differs, by making the shift to the probability variation mode and time shortening mode a special and unique one, the game machine, while maintaining balance to the side of game store, is able to ease the disadvantage of the player who begins the game in non-probability variation mode and non-time shortening mode and to make this player fully enjoy the real integrity of the game to offset the initial investment, then when the game of probability variation and time shortening mode and probability variation and non time shortening mode ends, meaning after the high probability game ends, the game machine has a function installed to shift to the special and unique mode beneficial to the player without being excessively disadvantageous to the side of the game stores. COPYRIGHT: (C)2009,JPO&INPIT
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