Blizzard Entertainment have today announced that World of Warcraft: Cataclysm, the third expansion for their popular MMORPG, will be released on December 7, 2010.

The expansion will be available on DVD-ROM and as a download from the Blizzard Store. As usual, a collectors edition is also available which includes an Exclusive Behind-the-Scenes DVD, Collector's Edition Soundtrack, 176 Page Art Book, World of Warcraft Trading Card Game Starter Pack and Exclusive Cards, Exclusive In-Game Pet and a Cataclysm Mousepad.

"Cataclysm includes the best content we've ever created for World of Warcraft. It's not just an expansion but a re-creation of much of the original Azeroth, complete with epic new high-level adventures for current players and a redesigned leveling experience for those just starting out," said Mike Morhaime, CEO and cofounder of Blizzard Entertainment. "With the help of our beta testers we're putting on the final polish, and we look forward to welcoming gamers around the world to enjoy it in just a couple of months."