Patent ID: 8414396

Claim:
A game system which includes a plurality of game apparatuses each having a communication function, and where each of said plurality of game apparatuses participates in any one of a scene of a virtual game space including a plurality of scenes, each of said game apparatuses including: a shared game data storage that stores shared game data to be shared with all of said game apparatuses; a specific game data storage that stores scene specific game data to be shared in only a scene in which a user's own apparatus participates; a parent device setter that sets the user's own apparatus as a parent device of said scene in which no other game apparatuses participates; child device setter that sets the user's own apparatus as a child device in said scene when any one of the other game apparatuses participates in said scene in which said user's own apparatus participates and any one of the other game apparatuses is set as a parent device; a parent device processing unit that, when the user's own apparatus is set as a parent device, instructs all the game apparatuses except for the user's own apparatus to update said shared game data in a case that a first condition is satisfied, or instructs all the child devices which participate in said scene to update said specific game data in a case that a second condition different from said first condition is satisfied; and a child device processing unit that updates said specific game data according to an instruction from said parent device when the user's own apparatus is set as a child device of said scene by said child device setter.