The previous record holder was WoW expansion pack The Burning Crusade, which sold 2.4 million copies on its first day.
"We're grateful for the incredible support that players around the world have continued to show for World of Warcraft," said Mike Morhaime, CEO and cofounder of Blizzard Entertainment.
"Wrath of the Lich King contains some of the best content we've created for the game so far, and we look forward to seeing even more players log in to experience it in the days ahead."
Written by: Andre Yoskowitz @ 21 Nov 2008 23:23