To provide a game machine and a simulation program capable of keeping a game long after a big winning game state is ended and preventing the lowering of the working rate of the game machine.

A Pachinko game machine selects a prescribed image object on the basis of operation signals detected corresponding to an operation. The Pachinko game machine decides the display form of an image to be displayed at a liquid crystal display device in the big winning game state and the display form of the image to be displayed at the liquid crystal display device after the big winning game state is ended on the basis of the selected image object.