| 摘要 |
PROBLEM TO BE SOLVED: To guarantee fairness of game by preventing regularity from being generated concerning the decision of prize winning picture pattern by performing the decision of prize winning picture pattern by a lottery using random numbers. SOLUTION: Respective rotary reels stop and display picture patterns one by one through indication windows 41 and when three picture patterns in total are laterally stopped and displayed and the combination of stopped picture patterns on a variable picture pattern display device 40 consists of special prize mode special play is performed. When any game ball enters a starting hole 50, any one random number is extracted out of the random numbers successively generated by a random number generating means. Next, the extracted random number value is collated with a discriminative table and when it is discriminated that one extracted random number value belongs a prize winning zone, based on the picture pattern information of prize winning picture pattern stored in the prize winning zone to which the random number value belongs, stopped picture patterns corresponding to the picture pattern information are automatically decided. Then, the variable picture pattern display device 40 starts varying the picture patterns. After the lapse of prescribed time, picture patterns stop varying and the prize winning picture patterns are displayed while being stopped. |
