| 摘要 |
PROBLEM TO BE SOLVED: To diversify the progress of a game and to improve interest in the game, in a game machine including a plurality of variable display means. SOLUTION: A microcomputer 560 for game control makes the ratio of determining which of the sudden probability variable big winning of 2 rounds and the big winning (normal big winning, probability variable big winning A, probability variable big winning B) of 15 rounds be different between the case of determining the big winning on the basis of start winning in a first start winning port 13 and the case of determining the big winning on the basis of the start winning in a second start winning port 14. In addition, probability variable states include a probability variable state A and a probability variable state B, and the microcomputer 560 for the game control preferentially executes the variable display of a first special symbol when shifted to the probability variable state A (first special symbol preferential mode), and preferentially executes the variable display of a second special symbol when shifted to the probability variable state B (second special symbol preferential mode). COPYRIGHT: (C)2010,JPO&INPIT
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