Yes, they do. Literally. the first version required you to register by phone or mail in order to get the full game. If you mean the most recent version... the

Yes, they do. Literally. the first version required you to register by phone or mail in order to get the full game. If you mean the most recent version... they know exactly which commercial retailers purchased the game, and in what quantities. They might not know exactly which consumer ended up with those games, but those consumers were not their customers, the retailers were.