Most MMORPGs are deployed using a client-server system architectureThe software that generates and persists the "world" runs continuously on a server, and players connect to it via client softwareThe client software may provide access to the entire playing world, or further 'expansions' may be required to be purchased to allow access to certain areas of the gameAge of Conan and World of Warcraft are both MMORPG, and also AOC Gold or WoW Gold will play an important roleAge of Conan Gold or World of Warcraft Gold here of course is needed

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