Challenges completed by ItzD4rk
Football here but no Luigi
It's a Stone Luigi : Pick up the "Football" with Yoshi

Another Stone
It's a Stone Luigi : There is some other stone on this Battle Course

It's a Football, I chiseled it.
It's a Stone Luigi : Reach the "Football" with Luigi

You didn't make it...
It's a Stone Luigi : Test the Arena

Obscure Chill spot Time Attack!
Ultimate Mario Circuit : Meet up with Ghost Mario in his Cozy Retro Chill spot in less than 30s

BUP 2: Electric Boogalo
new super unplayable arena : exist with Toad

Old Wii U/Switch - Wild Woods : Take the shortcut in less than 29s

Dear Mario, please come to the castle...
Mario Kart Galaxy: GCN Mario Circuit (complete mode) : Finish in the 1st position in VS mode, without drifting, without touching any Goomba, with 4 participants, with Mario
No teams

Take the Ramp Shortcut
Hyrule Circuit : Near the beginning

Spooky Sprint
Haunted Hollow : Finish in the 1st position in VS mode, without touching any Boo
With 8 participants

Mario's Battle Royale
Mario Circuit : Finish in the 1st position in VS mode, with 100 participants

Crate Smasher
Toad Town : Destroy all boxes in VS mode, in 150cc class, with 1 participant, in less than 3:00

Mission B-1: Win without losing more than 3 balloons on Moo Moo Mill.
SBOK5 Moo Moo Mill : Finish the game in the 1st position in 150cc class, with Koopa, by losing at most 3 balloons
With 8 participants, no teams

1st Place on the Acid Path
Acidic "&" Castleroad : Finish in the 1st position in VS mode, in 150cc class
With 8 participants, no teams, in difficult mode

Tight turns!
Acidic "&" Castleroad : Finish in the 1st position in VS mode, in 150cc class, without drifting, with Wario
With 8 participants, no teams

Love and Peace
Heart Raceway : Finish in the 1st position in VS mode, in 100cc class, without using any item

Oh Yeah!
Turning-12983 Circuit : Use the Shortcut in less than 20s

Gotta go fast now
Yoshi's crazy garden : Finish in the 1st position

Shy Guy Circuit : Complete the track in less than 2:00

Shy Guy Circuit : Complete the track in less than 1:45
