Patent ID: 7959510

Claim:
A network game system, comprising: a center server; at least one service server configured to provide service information about a service offered, the service information comprising data or a program of the service; and a game machine, communicatively connected to the center server and the service server, and configured to execute a game program in accordance with the service information received from the service server, the game machine comprising a first transmitter configured to transmit a request, to the center server, designating the service to be used; wherein the center server comprises a first storage, configured to store a service information table indicating a correspondence between the service designated by the request transmitted from the game machine and access information indicating a destination on the service server to which access is to be made to the service as the game program to be executed, the access information comprising a Uniform Resource Locator (URL) of the service server providing the service as the game program to be executed from the destination that corresponds to the service stored on a per service basis or a per game program basis wherein the destination is configured to be chanted in accordance with the game program to be executed, wherein the center server further comprises: a first receiver, configured to receive the request transmitted by the first transmitter; a reader, configured to read out the access information corresponding to the service designated by the request received by the first receiver, from the first storage; and a second transmitter, configured to transmit the access information read out by the reader, to the game machine; and wherein the game machine further comprises: a second storage, configured to store the access information; a second receiver, configured to receive the access information transmitted by the second transmitter; an updater, configured to update the access information stored in the second storage with the access information received by the second receiver; and a controller, configured to access the service server to receive the service information in accordance with the access information stored in the second storage, wherein the second storage stores the access information prior to the game machine receiving the service information.