Mario Kart Double Dash!! Published by Nintendo. Appears for Nintendo Gamecube. It is part of the Mario Kart series and the rules have changed.
There are now 2 characters per kart!Edit
The Mushroom Kingdom's racing series is back. Each character has picked a partner to race with. Who is partnered with who and who is the fastest?
Baby Mario and Baby Luigi
Koopa and Paratroopa
Toad and Toadette Unlockable!!
Yoshi and Birdo
Waluigi (P.S. Waluigi may be medium but Wario is heavy so he rides in a heavy kart. Characters can't ride in karts smaller than they are.)
Wario and Waluigi
Donkey Kong and Diddy Kong
Petey Pirahna and Ghost Boo Unlockable!!