| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine with improved interest in a game.SOLUTION: A background change notice for changing a background image in an image display device 5 from an image with daytime as a motif (a normal background image) into a background image with night as a motif (a special background image) indicating a high jackpot reliability degree as shown in (F) may be performed after the performance of a stop symbol notice for stopping an opportunity pattern ("1-1-2") indicating a low jackpot reliability degree as shown in (D). Then, an advantage degree is varied in response to the change timing of a background image in one variation. |
