Patent ID: 8082176

Claim:
A message string output system, comprising: a plurality of user terminal devices, wherein at least one of the plurality of user terminal devices is configured to output a message string, which is input by a user of said at least one of the plurality of user terminal devices during a game, to at least one other user terminal device among the plurality of user terminal devices; and a game server in communication with the plurality of user terminal devices, the game server configured to: store point information in correspondence with user identification information; store a specific string indicative of an advertisement; acquire user identification information corresponding to a message string which is input by said at least one of the plurality of user terminal devices; receive, from the at least one of the plurality of user terminal devices that is associated with the acquired user identification information, the specific string during the game that is inserted within the message string during the game; judge whether the message string which is input by said at least one of the plurality of user terminal devices contains the stored specific string; and update, based on a judgment result by the judging, the stored point information in correspondence with the acquired user identification information.