World of Warcraft
World of Warcraft (WoW) is a massively multiplayer online role-playing game (MMORPG) released in 2004 by Blizzard Entertainment. It is the fourth released game set in the "Warcraft" fantasy universe. "World of Warcraft" takes place within the "Warcraft" world of Azeroth, approximately four years after the events at the conclusion of Blizzard's previous "Warcraft" release, "." The game was announced in 2001, and was released for the 10th anniversary of the "Warcraft" franchise on November 23, 2004. Since launch, "World of Warcraft" has had seven major expansion packs released for it: "", "", "", "", "", "", and "".
EverQuest
After these side projects, the first proper sequel was released in late 2004, titled simply "EverQuest II" . The game is set 500 years after the original. "EverQuest II" faced severe competition from Blizzard's "World of Warcraft", which was released at virtually the same time and quickly grew to dominate the MMORPG genre.