| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine increased in excitement and enjoyment of a game.SOLUTION: There may be executed background change notification in which a background image in an image display device 5 is changed to a background image (particular background image) with a night as a motif from an image (normal background image) with a daytime as a motif, wherein the background image indicates the reliability of a jackpot is high as shown in (E), (F) after stop symbol notification where a chance pattern ("1.1.2") indicating that the reliability of the jackpot is low is stopped is executed as shown in (D). Then, advantage degrees differ according to the change timing of the background image at one variation. |
