| 摘要 |
PROBLEM TO BE SOLVED: To provide a reel type game machine with a novel game property. SOLUTION: This game machine is provided with, during a big bonus (BB) period, a "low probability period" where a win probability of a minor role is set lower than a regular game state and, after the end of the BB period, a "high probability period" where the probabilities of the minor role and a RB role are set higher than those of the ordinary regular game state. That is to say, the conventional reel type game machine, when a game state advantageous for the player is set in the BB period, after the end of the BB period, is returned to the ordinary regular game state, however, this game machine 1 creates a disadvantageous state for the player during the BB period and after the end of the BB period, creates the advantageous state for the player. This game machine 1 can thus provide the novel game property with unpredictable quality to improve the player's interest. COPYRIGHT: (C)2006,JPO&NCIPI
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