| 摘要 |
<P>PROBLEM TO BE SOLVED: To restrain a player from being bored with the variation of retained balls for which normal retention display is performed. <P>SOLUTION: Retained balls 301, 302 are both losing balls on a rendering screen 300a and normal retention display is performed therefor. If start winning of a game ball occurs on the rendering screen 300a, a rendering screen 300b shows a screen in the case of the start winning game ball winning a big prize by prior determination. The rendering screen 300b shows normal retention display for the retained ball 303 that has won the big prize and shows sign retention display which is retention display with a high degree of expectation for the big prize for the retained ball 302 varied before the retained ball 303 that has won the big prize. The variation of the retained ball 302 results in failure, and the variation by the suspension ball 303 for which normal retention display is performed results in a big prize. <P>COPYRIGHT: (C)2012,JPO&INPIT |
