Provided are a game service system and a game service method for a global game service. A game service system for providing a multi-player game service for users connected to a game server and users connected to at least one proxy server includes: a game server constructed at a single base in a first local area, the game server configured to provide game progress data to users connected to a proxy server associated with the game server; and at least one proxy server constructed at a base in a second local area different from the first local area in which the single base is located, and configured to connect to the game server through an exclusive line. The game server is configured to provide the game service to users connected to the at least one proxy server through the at least one proxy server and the exclusive line.