Challenges completed by OneSome

Pipe

Pipe Track : Complete the track in 50cc class

Judge 8

Retro Frostland : Collect all coins by driving backwards

Setting the Glacier ablaze

Retro Frostland : Finish in the 1st position by performing 57 Mini-Turbos

What killed the Ice? It was the Dinosaurs! Wait, I said that wrong.

Retro Frostland : Complete the track with Yoshi, with 120 participants

Lonely Pipe

Mario Circuit 5 : look above :)

Icy Callout

Icicle Mountain : Finish in the 1st position in 100cc class, with 4 participants, with Yoshi

Battle Course X : Survive more than 2:00 without touching item boxes, with Luigi

With 8 participants, no teams

N. Tropy's Challenge

Pinball Madness : Complete the track in less than 2:35:450 in Time Trial mode

???'s Challenge

Pinball Madness : Complete the track in less than 0:57:440 in Time Trial mode

BooyahBomber2000's Extreme Time Trial Challange

Pinball Madness : Complete the track in less than 1:20:890 in Time Trial mode

Nitros Oxide's Challenge

Pinball Madness : Complete the track in less than 1:59:430 in Time Trial mode

Défi Luigi

Cicruit de nuit : Finish in the 1st position with Luigi, by performing 1 trick, by falling at most 2 times, with 12 participants

100 Racers In Storm Circuit

Storm Circuit : Finish in the 1st position in VS mode, with 100 participants

???

Green Hill Zone : Get a Chaos Emerald

Gold Cup

Honeycomb Cup : Get the gold cup in 150cc class

In difficult mode

Secret Character?

Bowser's Castle : Secret unlock. Sneaky sneaky. in Time Trial mode, with Bowser

You found a Shortcut!

Remix SNES Rainbow Road (Mario Kart Tour) : It's a Secret to Everybody... in VS mode

Bowser's Challenge

Bowser's Fortress -Legacy- : Reache the landing post after the ship in less than 1:00

R.I.P Up Key , 2020-2020

Go to the Monty Mole arena by driving backwards

A thief in the crowd

Collect all coins with Waluigi, with 100 participants