World of Warcraft, often referred to as wow gold, is a massively multiplayer online role-playing game (MMORPG) by Blizzard Entertainment. It is the fourth released game set in the fantasy Warcraft universe, which was first introduced by Warcraft: Orcs & Humans in . World of Warcraft takes place within the Warcraft world of Azeroth, two years after the events at the conclusion of Blizzard's previous Warcraft release, Warcraft III: The Frozen Throne. Blizzard Entertainment announced World of Warcraft on September , . The game was released on November , , celebrating the th anniversary of the Warcraft franchise.World of Warcraft
The first expansion set of the game, The Burning Crusade, was released on January , The second expansion set, Wrath of the Lich King, was released on November
With more than . million monthly subscribers, World of Warcraft is currently the world's largest MMORPG in those terms, and holds the Guinness World Record for the most popular MMORPG. In April , World of Warcraft was estimated to hold % of the massively multiplayer online game (MMOG) market.