PURPOSE: To increase the interest by changing the number of hit lines for establishing the combination of bonanza drawing patterns in a game machine where when the combination of drawing patterns displayed at the time of stopping variation comes to a designated combination of a bonanza drawing pattern, a large game value is given.

CONSTITUTION: A liquid crystal display device 23 for varying and displaying a drawing pattern is provided on a drawing pattern display device disposed substantially in the central part of the game board of a pachinko game machine, thereby making the drawing pattern display device to vary display a drawing pattern when a hit ball is put in a starting prize winning port. In the liquid crystal display device 23, three lines of scroll display lines 24a-24c scrolled horizontally from left to right are displayed. In this case, each display line 24a-24c is blocked into 22 blocks, for example, apparently, one complete drawing pattern (carrot, grape, cherry and so on) is displayed in one block in the most part, but partially one partial drawing pattern (doll showing a girl, a rabit and so on) is displayed using three blocks, so that a game player's attention is paid to the display of a drawing pattern.