To increase excitement and enjoyment of a game without disappointing a player even when control to a disadvantageous state disadvantageous to the player is executed, and to make a game property extremely easily understandable for the player.

The control is executed to advantageous RT until 300 games are consumed when a watermelon is won in a normal game state or rare RT, and the control is executed to disadvantageous RT until 200 games are consumed when a cherry losing symbol is derived by the misfetch of a red cherry, a blue cherry or a white cherry. Though the control is not executed to the advantageous RT even when the watermelon is won in the disadvantageous RT, the control is executed to the rare RT when replay B is won in the disadvantageous RT, and a chance of the control to the advantageous RT again is generated. Also, while the winning of the red cherry, the blue cherry or the white cherry is reported in the advantageous RT, information corresponding to the kind of a winning combination is reported when one of them is won independently, and common information is reported when all of them are simultaneously won.