Challenges list of MegaToon1234
Team-Up Not Required
Nimbus Hills : Finish in the 1st position
No teams, in difficult mode

Yoshi's Race Around the Fort
Reznor Fortress : Finish in the 1st position with Yoshi, with 4 participants

Oasis Hunt
MKCD: Desert Hills : Find 13 oasis's in Time Trial mode, by falling at most 13 times

Pacifist on Ice
MKCD: Iced Country 1 : Complete the track without using any item
In difficult mode

Stunt-Less Victory
MKCD: Mario Circuit 2 : Complete the track without making tricks

1-on-1 Race Against a Rival
Ghost Valley 2 (Mario Kart CD) : Finish in the 1st position in VS mode, with 2 participants

Coin Collector in Ghost Valley 2
Ghost Valley 2 (Mario Kart CD) : Collect all coins

Do It for Weegee!
Iced Country 2 (Mario Kart CD) : Finish in the 1st position in VS mode, with Luigi
With 8 participants, in difficult mode

Coin Collector in Iced Country 2
Iced Country 2 (Mario Kart CD) : Collect all coins

Them Dry Bones
Lightning Cup (Mario Kart CD) : Get the gold cup in Grand Prix mode, with Koopa

I am the Great Wart!
Flower Cup (Mario Kart CD) : Get the gold cup in Grand Prix mode, with 40 points or more

Quicker Than the Human Eye!
Brown Island (Mario Kart CD) : Reach the finish line in Time Trial mode, in less than 30s

Driving Away Backwards in a Desert
Desert Hills (Mario Kart CD) : Reach the finish line in Time Trial mode, by driving backwards, without touching any Pokey nor Gao (SML)

Kongo Bongo's Drift King
DK's Crystal Caves : Finish in the 1st position in VS mode, with Donkey-kong

Koopa Troopa's Coin Scoopas
MKSC Choco Island 1 (SNES) : Collect all coins in Time Trial mode, with Koopa

King Boo's Coin Search
MKSC Ghost Valley 1 (SNES) : Collect all coins in Time Trial mode, with King Boo

Coin Collecting in Mario Circuit 1
MKSC Mario Circuit 1 (SNES) : Collect all coins in Time Trial mode

Ghostly Time Trial Challenge
MKSC Ghost Valley 1 (SNES) : Complete the track in Time Trial mode, in less than 1:36

Whatever You Do, Don't Drift!
MKSC Mario Circuit 1 (SNES) : Complete the track without drifting

1st Place Action!
MKSC Mario Circuit 1 (SNES) : Finish in the 1st position in VS mode
