| 摘要 |
PROBLEM TO BE SOLVED: To improve a popular amusement property in a pachinko game machine. SOLUTION: In this pachinko game machine provided with a detection switch provided on a start port for detecting a game ball and a pattern display part for displaying the fluctuation of a pattern when the detection switch detects the game ball, pattern fluctuation is started when the detection switch detects the game ball, a fluctuation period TX (length after starting pattern fluctuation until stopping it) is decided by using a random number after prescribed time TM elapses after the pattern fluctuation is started and the pattern fluctuation is stopped after the fluctuation period elapses. |
