Wouldnt sell more than 5 million if it wasnt attached. I mean how many gamers actually play that 3 months after they buy it? None. Unless they did not buy any new games.
Then why is it the seventh most played game on the Wii?
NNID: theRepublic -- Steam ID: theRepublic
Wii U - Currently Gaming Like It's 2014 (Hyrule Warriors) - 11 games in backlog
3DS - Currently Gaming Like It's 2013 (Luigi's Mansion: Dark Moon) - 7 games in backlog
PC - Currently Gaming Like It's 2009 (Borderlands) - 9 games in backlog
Mobile - The Simpson's Tapped Out and Yugioh Duel Links