Game system and storage device readable by computer

Abstract

The game system comprises an image display device; an operation input device issuing a signal corresponding to an operation of a player; a mode select device for selecting one mode between a breeding mode in which a breeding game is prepared and a competition mode in which a competition game is prepared; a breeding game control device for controlling a progress of the breeding game, and a competition game control device. The breeding game is controlled in such a manner that a breeding game image representing a scene in which a game character is bred in accordance with a breeding operation of the player performed to the operation input device is displayed on a screen of the image display device, and that data defining a feature of the game character is changed in accordance with a predetermined condition, and the competition game is controlled in such a manner that a competition game image representing a scene of a competition in which at least one piece given to each of the player and an opponent thereto takes an action on a predetermined play field at each turn which is alternately given to the player and the opponent is displayed on the screen of the image display device, and that superiority and inferiority of the competition are changed based on both a detail of the action at each turn and data defining a property of said at least one piece. The data defining the feature of the game character and the data defining the property of said at least one piece of the player are associated with each other.