Abstract: An entertainment system has a destruction displaying unit including a damage applying object processing unit for rendering an object (damage applying object) such as a robot carrying a principal character, a monster as a target, or bullets or shells shot from a weapon, which applies damage to a background object, a destruction determining unit for determining whether the background object is to be destroyed or not based on the positional relationship between the damage applying object and the background object, a background object processing unit for rendering the background object as it is being destroyed, and an image displaying unit for outputting image data rendered and stored in a frame buffer to a display monitor to display a corresponding image on the display screen of the display monitor.