| 摘要 |
PROBLEM TO BE SOLVED: To improve the amusement of a game by increasing the expectations of a player depending on difference in the performance state of a performance to be executed, in a slot machine which executes control to an advantageous state or a disadvantageous state corresponding to a display result derived in an initial game state. SOLUTION: A performance mode (high probability or low probability) is selected corresponding to the progress condition of a game in each game other than the one during a bonus, and a performance stage (the form of an image to be displayed) is selected corresponding to the performance mode and the progress condition of the game. When the number of remaining games in special RT capable of control only to the advantageous RT, a normal game state capable of the control to both advantageous RT and disadvantageous RT, rare RT1 or rare RT and disadvantageous RT which continues for 300 games is equal to or less than 50 games, the probability of selecting a performance high probability mode becomes higher than that when the number of the remaining games in the disadvantageous RT is equal to or more than 51 games, and the probability of selecting a stage 3 as a performance stage becomes high when compared in the same performance mode. COPYRIGHT: (C)2009,JPO&INPIT
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