Challenges completed by OneSome

The Lady

Space Street : Collect all coins with Daisy

Mario's Super Coin Challenge

Mario Circuit : Collect all coins

Ramps Of The Arctic

Arctic Byways : The Zones are by the ramps! by performing 2 tricks

No Drifting in Plain Plains

Plain Plains : Complete the track without drifting

The Koopaseum : Reach the Middle Platform

bigger amount of coins!

retro stadium : Collect 15 coins

thomas the train

Rainbow road 4 : Complete the track in 150cc class

R64: Stupid Waluigi Kart

Lemon Cup : Get the gold cup in Grand Prix mode

In difficult mode, with 8 participants, no teams

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