Completing the game allows players to see the link between Captain Toad: Treasure Tracker and Super Mario 3D World, and having save data from the latter or beating Treasure Tracker allows players to play four 3D World levels as Captain Toad.
Ved at fuldføre alle niveauer i spillet kan spilleren se forbindelsen mellem Captain Toad: Treasure Tracker og Super Mario 3D World og kan spille fire niveauer fra 3D World som Captain Toad.