Challenges completed by Kernell

Undertales

Sans Circuit : Finish in the 1st position in VS mode, in 150cc

In difficult mode, with 8 participants, no teams

Flower Challenge

Flower Cup : Get the gold cup in Grand Prix mode

Banana Challenge

Banana Cup : Get the gold cup in Grand Prix mode

The Speed of the Hedgehog

Green Hill : Finish in the 1st position in VS mode, in medium mode

With 8 participants, no teams

Crocodile Lake

Montyside Park : Complete the track in less than 1:45 in Time Trial mode

Halloween Is Here

Halloween Cup : Get the gold cup in Grand Prix mode

The Power of the Fire

Sunset Natural Reserve : Finish in the 1st position in VS mode, in medium mode

With 8 participants

Sonic Kart

Emerald Cup : Get the gold cup in Grand Prix mode, with Sonic

Welcome to Hallowen

Halloween Land : Finish in the 1st position in VS mode, in easy mode

With 8 participants

The Red PKMN

Grumpy Magma : Finish in the 1st position in VS mode

With 8 participants, in difficult mode

Halloween Dance

Halloween Circuit : Complete the track in less than 2:50 in Time Trial mode

A Vending machine full of Halloween candy.

Halloween Vending Machine : Finish in the 1st position in VS mode, in 150cc

With 8 participants, in difficult mode, no teams

The Koopa That Can Fly

Koopa Lake : Finish in the 1st position in VS mode

With 8 participants, in difficult mode

The Poisoned Flower

Twisted Mansion : Complete the track in less than 1:25 in Time Trial mode

The Fame Cup

The Losers! Cup : Get the gold cup

Rare and Immensely Powerful

Taco Werewolf Castle : Complete the track in less than 4:00 in Time Trial mode, in 200cc

5 laps are a Nickel

Mega Circuit : Complete the track in less than 1:30 in Time Trial mode

The Alliance Cup

iance Cup : Get the gold cup

The BFF

iance Cup : Get the gold cup in Grand Prix mode, with Match

POP!

Heart Circuit : Finish in the 1st position in VS mode, in 150cc

With 8 participants, no teams, in difficult mode