<Tr> <Th> Genre (s) </Th> <Td> MMORPG </Td> </Tr> <Tr> <Th> Mode (s) </Th> <Td> Multiplayer </Td> </Tr> <P> World of Warcraft: Wrath of the Lich King is the second expansion set for the massively multiplayer online role - playing game (MMORPG) World of Warcraft, following The Burning Crusade . It was released on November 13, 2008 and sold 2.8 million copies within the first day, which at that time was fastest selling computer game of all time . The game added a substantial amount of new content into the game world, including the new continent of Northrend, home of the eponymous Lich King and his undead minions . In order to advance through Northrend, players are required to reach at least level 68 and the level cap for the expansion is 80 . The first hero class was introduced, the Death Knight, that starts at level 55 . </P> <P> The first expansion pack, World of Warcraft: The Burning Crusade, raised the maximum level from 60 to 70 and the Wrath of the Lich King raised the level cap from 70 to 80 . </P>

When did wrath of the lich king come out