To counter the spoiling of fun in the conventional game by eliminating simple notification to a player with a lamp of the generation of jackpot as traditionally done whenever it occurs by internal lottery.

A liquid crystal display part. 24 is used as notification means to tell a player of the flag orientation in various winning modes as harbinger and is also used as announcement means. In other words, game characters, or the like, are staged on the liquid crystal part 24 to perform a notification as harbinger by the combination of changes in the display of the characters or by the combination of changes in the display of a background image in stead of the combination of presentation to match display modes using a reel back lamp, or the like. The display with the liquid crystal display part 24 is made in a specified mode different from the harbinger notification to perform an announcement with the announcement means.