Registration was initially restricted to Korean citizens, but an English version began its open beta test on September 27, 2011, and the international game went online on October 26, 2011. New Digimon are generally released every other week, and are available for purchase at the cash shop.During the maintenance, Joymax updates the site and the game as well. Current updates at the official Digimon Masters site. Like most MMORPG's, GDMO has a guild system. Players can purchase a guild permit for 100M. Guilds can contain up to fifty members, including the guild master and three sub-leaders.