To improve interest by changing a game condition after a great success.

CPU is a continuous drawing pattern and displays a success (S201: YES), and if a special game has been over (S202: YES), the number of continuous games is decided according to the continuous drawing pattern (S203). Next, the count value K of a continuous times counter is set in the number of games decided in S203, and an indication is also given to an image processing device to display 0 in a continuous times display section (S204) for continuously actuating an induction increasing device (S205). The special play is continued by the continuous actuation of the induction increasing device. The special game continued here is ended after the number of continuous games decided in S203.