Mario Kart: Universe Drift/ Unlockable Characters

Baby DK/ Baby Diddy Kong

 * Beat all GP/GP2 courses as Donkey Kong.

Soos

 * Beat Leaf Cup in 100cc as Dipper or Mabel.

Grunkle Stan

 * Beat the staff ghost for GBA Boo Lake as Dipper.

Metal Mario

 * Beat 20 races and 1 staff ghost as Mario.

Koops

 * Beat all Retro Courses as Bowser or Mario.

Koopa Troopa

 * Unlock Koops and use him against 10 staff ghosts.

Goombella

 * Beat all 100cc cups as any character(s).

Big the Cat

 * Beat all Retro cups in Mirror Mode.

Wendy

 * Beat the 1st boss as Dipper.