Activision Blizzard today pronounced that "World of Warcraft: Cataclysm" has released nearly 4.7 million copies in December, its first month.

According to CEO and cofounder of Blizzard Entertainment, Mike Morhaime, in a account, they have produced many of fresh quests, initiated latest lands to discover, and at length refurbished the game planet for 'World of Warcraft: Cataclysm,' crafting it their largest and much determined development up till now.

Released globally on December 7, 2010, the game's initial-month sales didn't come to retain the pace of its first 24 hours, when it released 3.3 million units and gained the title of fastest-selling PC game of ever.

Activision did not reveal the exact subscriber figures. In October, before "Cataclysm" was proclaimed, the company stated that its World of Warcraft user base had grown to 12 million users, up from 11 million in October 2008.

Even now that didn't shelter Activision from aiming to prospects on its job panel as it gets bigger "to maintain speed with the moving augmentation of World of Warcraft in addition to expansion on other Blizzard Entertainment games," the company clarified.