Blizzard issued this press release today, announcing that since its mid-January launch, World of Warcraft: The Burning Crusade has sold 3.5 million copies. Previously Blizzard announced that 2.4 million copies were sold in the first 24 hours. World of Warcraft's subscriber base is now at more than 8.5 million.
With approximately 3.5 million copies sold through, The Burning Crusade has now established the new one-month record for PC-game sales. "We're thrilled about the overwhelming response that we've received for The Burning Crusade," said Mike Morhaime, president of Blizzard Entertainment. "We have worked hard to build upon nearly every aspect of World of Warcraft with this expansion, and it's gratifying to see that players and reviewers are enjoying the new content."