| 摘要 |
PROBLEM TO BE SOLVED: To facilitate identification of a winning combination by differentiating symbol backgrounds constituting the winning combination with a high advantageous degree from symbol backgrounds constituting a winning combination with a low advantageous degree.SOLUTION: When a player wins a strong watermelon, backgrounds of watermelon symbols are all red, the watermelon symbols are aligned in a line, and the symbols with red backgrounds are aligned in the line, so that the player easily identify the winning of the strong watermelon. However, when a player wins a weak watermelon, watermelon symbols are aligned in a line which is the same as that of the strong watermelon, however, the backgrounds of the watermelon symbols become red-red-white, and the symbols with the red backgrounds are not aligned in the line, so that the player easily identify the winning of the weak watermelon. |
