To secure the high enjoyability of a variable display game by providing novel effects for a variable display.

The game machine has a control device which variably displays identification information in each display area of a display device and performs control whereby a specific game condition can be created in relation to the way a plurality of pieces of identification information stop. The control device has a variable display means for displaying the identification information in each display area by dividing it into a plurality of pieces of identification information and, if a combination of different pieces of identification information is displayed, capable of changing all the pieces of identification information into the same kind of piece of identification information which is one of the pieces of identification information included in the combination.