| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which can improve attractions to games by supplying players with prize balls free of charge regardless of the adjustment of machines and the skills of the players. SOLUTION: In the game machine, lottery is performed when game balls enter specified scoring slots and a specified processing for a big win is executed when the result of the lottery shows a special big win or an ordinary big win. In the special big win as to the result of the lottery, the game position shifts to a probability varying position. A continuous round frequency counter 81 counts the frequency of big win generated continuously in response to repeated generation of special big wins during the probability varying state. When the ordinary big win occurs during the varying of probability, a main control board 80 controls the putting out of the specified number of prize balls free of charge according to the counts as the counts of the continuous round frequency counter 81 exceeds a specified reference value while the counts of the continuous round frequency counter 81 are reset. |
