I can't believe nobody has said it - obviously (rolls eyes) it's World of Tanks!
It should have no problem selling that much. Although, it is hard to make money selling a game for free. That must be why they have to sell so many.
(Actually, I don't think there is any way it could be TitanFall - that's too much money to spend in the short time ReSpawn has been around. So my vote is Bungie’s Halo 5 Destiny. Which it probably can do, being multi plat an all, if it is any kind of hit like it's predecessors.)







