noname2200 on 16 February 2011
| foxtail said: In 2008, Guinness World Records listed Super Mario 3 as the best-selling video game to be sold separately from a system, and reported worldwide sales of over 18 million copies. It might have changed since then though. |
Considering Mario Kart Wii hasn't been bundled (right?), I'd say that's a safe bet.
