Latest expansion for Blizzard Entertainment's massively multiplayer online role-playing game continues record-setting sales pace
Blizzard Entertainment, Inc. today announced that World of Warcraft®: Cataclysm™, the third expansion for the critically acclaimed massively multiplayer online role-playing game (MMORPG), has sold through more than 4.7 million copies as of its first month of release, setting a new record for monthly PC-game sales.*