The present invention provides a game machine capable of exhibiting an improved reality of the game field by varying the image of the game field according to various factors, for example, a change ofthe viewpoint by a simple method. The display of a game field is realized by a control section (11), an image drawing control section (13), a display storage section (14), and a display section (15).A game control section (31) processes the content of a game in a game field according to the operation by the player. A combining ratio changing section (33) changes the image combining ratio. A displaycontrol section (34) creates a synthetic image by combining image data at the combining ratio, and displays a game field using the synthetic image.