Recording medium in which image data conforming to image output devices are stored

摘要

Image data 110 of an object is recorded in a recording medium so as to contain data 113 for a high resolution and data 112 for a low resolution. In executing a game, an image display device is discriminated, and image data conforming to the resolution of the image display device is used. Thus, an object appearing in the game is displayed using the image data suited to the image display device.