| 摘要 |
PROBLEM TO BE SOLVED: To provide an optimal game form to individual players by changing at least one of the rotation speed of reels, the rotating direction of the reels, a slipping function, a target symbol stopping display guide and a free game specification corresponding to lottery probability so as to set a game specification matched with the skill of a player. SOLUTION: In a standard stopping order, a pattern 1 is selected. In this case, the number of put-out mediums in a big bonus game is small though winning is increased due to a high pull-in rate. In a stopping order except for the standard one, a pattern 2 is selected. In this case, the number of put-out mediums in the big bonus game is large though winning is reduced due to a low pull-in rate. The player guesses a time when winning is supposed to occur and stop-operates in the stopping order except for the standard one. Since high return with a low risk is possible when guessing rightly, additional game property of predicting a winning time and changing a stopping order can be enjoyed in addition to the progress of a monotonous game and the game can be progressed with expectation and feeling of tension. COPYRIGHT: (C)2004,JPO
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