Gamers gaga for "World of Warcraft: Cataclysm" World of Warcraft characters. Goblin Priest, Mage, and Warlock. Game. The latest chapter in "World of Warcraft" sold more than 3.3 million copies in just 24 hours on the market. "Cataclysm" snatched the crown for fastest-selling computer game from "Wrath of the Lich King" software released in 2008 as the second expansion to the franchise. "We had to bring Azeroth to the brink of destruction in 'Cataclysm,' but the result was our best expansion yet," Blizzard co-founder and chief executive Mike Morhaime said, referring to game's fantasy world. "Cataclysm" was released internationally on December 7. More than 12 million people worldwide pay monthly subscription fees to play the massively multi-player online role-playing game. Players represented by animated characters such as dwarfs, trolls, or humans explore, battle, and take on quests in the game made by Blizzard, a division of Activision.