World of Warcraft is one of the most popular MMORPG ever. It is produced by Blizzard Entertainment and is the fourth released game set in the fantasy Warcraft universe. World of Warcraft takes place in land of Azeroth, 4 years after the events at the conclusion of Warcraft III: The Frozen Throne. World of Warcraft currently has 10 million subscribers!
As with other MMORPGs, player control a character avatar withing the world fight, and exploring to complete quests, gain experience points and interacting with other online players! In order to play the game, the player must select a realm, or server to play on. Realms are categorized as player versus player of player versus environment.