Blizzard heeft laten weten dat ze 12 miljoen spelers wereldwijd hebben. Deze mijlpaal is bereikt met de komst van de uitbreiding The Lich King in China en de aankondiging van Cataclysm op 7 december 2010.
In 2004, 23 november, werd World of Warcraft geïntroduceerd in Noord America en is in 2005 en 2006 de bestverkochte PC game geweest. In 2007 werd The Burning Crusade op de markt gebracht, de eerste uitbreiding op World of Warcraft. In 2009 kwam Wrath of the Lich King uit.Mike Morhaime, CEO en cofounder van Blizzard Entertainment heeft laten weten:
wrote …
“The support and enthusiasm that gamers across the world continue to show for World of Warcraft reaffirms our belief that it offers one of the best entertainment values available today. We are as committed as ever to taking the game to new heights, and we look forward to demonstrating that with Cataclysm in December.”
“The support and enthusiasm that gamers across the world continue to show for World of Warcraft reaffirms our belief that it offers one of the best entertainment values available today. We are as committed as ever to taking the game to new heights, and we look forward to demonstrating that with Cataclysm in December.”
