Game server, method of operating the same, and computer-readable recording medium storing online soccer game program

Disclosed herein are a game server (100), a method of operating the game server (100), and a computer-readable recording medium storing an online soccer game program. The game server (100) of the present invention includes a uniform card provision unit (130) for providing at least one normal uniform card which can be exchanged for one of a plurality of normal players and at least one tournament-only uniform card which can be exchanged for one of a plurality of tournament-only players, and a player designation unit (140) for, when one of the normal uniform card and the tournament-only uniform card is opened, designating one of players corresponding to the opened normal uniform card or tournament-only uniform card, and providing the designated player to a relevant user terminal device. Accordingly, an online soccer game enabling a game to be conduced by taking on various players and operating various game modes can be provided.