Free-to-play 'typically lose 70%' of initial users, warns former Total War designer

Related Games:
World of Warcraft, World of Warcraft: the Burning Crusade, Empire: Total War, World of WarCraft: Wrath of the Lich King, World of WarCraft: Cataclysm, World of Warcraft: Mists of Pandaria
Source:
MCV