Abstract: An image processing device and game apparatus is provided. The image processing device displays movement of a display object based on the control of an operator to realize natural movement, and impart variation to a movement. The image processing device may add predetermined change factors to a display object movement in a prescribed situation or cause a prescribed special movement. The game apparatus allows an operator to control a display object. The game apparatus determined when the display object is within a prescribed area and may display the display object in a particular display configuration.