That said, costumes are only available for a select amount of characters in Mario Kart World, and are primarily limited to the series’ most famous faces such as Mario, Luigi, Peach, and Toad.

It appears that those toys will unlock their respective costumes for players’ Mii characters to wear. The amiibo update for Mario Kart 8 is scheduled for Nov. 13, according to the site.

There are 20 Mii costumes in Mario Kart 8 Deluxe tied to amiibo. People can dress their characters up in racing suits inspired by Mario, Luigi, Peach, Rosalina, Bowser, Toad, Yoshi, Donkey Kong ...

See Mario Kart 8’s amiibo-unlocked costumes and first DLC pack in action. News; See Mario Kart 8’s amiibo-unlocked costumes and first DLC pack in action. by ...

After the Booster Expansion announcement, I did the math, and there were pretty much exactly 48 tracks in Tour that weren't already in Mario Kart 8 (excluding variants like Paris Promenade 2, 3, 4).

Mario Kart Tour has added Captain Toad and Toadette in its latest update, the Exploration Tour. The update includes new challenges to complete and a new track, Choco Mountain from Mario Kart 64.