A gaming machine, having a display unit that displays a game image for use in a game, including: an image data storage unit that stores common image data that is common to user countries in which the gaming machine is used and individual image data that differ from user country to user country; and a position changing unit that changes the display position of the game image displayed on the display unit, on a per user country basis, using the common image data and the individual image data, stored in the image data storage unit.