Blizzard Entertainment's World of Warcraft with its over 9 million registered players has taken the role-playing game (MMORPG) title of most popular in the world. Europe alone houses more than a million gamers that spend hours upon hours in the immense world of Azeroth seeking gold, adventure, and allies.The expansion pack, Burning Crusade, which was introduced in January 2007, expands this already huge world, by an entire continent (The Outlands), new races, new monsters, new items, new battlegrounds, new professions, new quests, and much more.