Sure, Mario Kart World's free ... as you'll know if you've ever played Double Dash!! (or done so much as to look at its cover art), the two-racers-per-kart hook made it across the finish line.

It's hard to imagine, but Mario Kart: Double Dash's two-player driving mechanic almost didn't happen! As I am sure you know, in Mario Kart: Double Dash, rather than only choosing one character to ...