It is an object of present invention to effectively, separately use a game field image and an enlarged image relating to the neighborhood of a sight postion in the game field image. In a game system executing a shooting simulation of the like, a game field image is displayed on a screen of a predetermined...http://www.google.es/patents/US6572476?utm_source=gb-gplus-sharePatente US6572476 - Game system and computer readable storage medium
