WoW.com, a sister site of GameDaily.com, has reported several details about the forthcoming expansion for World of Warcraft. Called World of Warcraft: Cataclysm, the expansion will also add two new races: Worgen (Alliance) and Goblin (Horde).

While little else has been unveiled, as the doors to BlizzCon open on August 21, we expect that Blizzard will unveil more details about the game, and hopefully when World of Warcraft players will get to play.