Challenges completed by hydroblast

Not too late!

Lakeside park 2 : Finish in the 1st position in VS mode, by starting with 3s delay, without falling, without touching any crab, Monty Mole nor Finish line

With 8 participants, no teams, in difficult mode

Diddy's first backwards test

Wooden forest : Go backwards and find the shortcut in Time Trial mode, in less than 3s, without touching any tree, with Diddy-kong

Out of the woods

Old Wii U/Switch - Wild Woods : Complete the track in less than 1:39 in Time Trial mode

Frazer

Mr. Frazer's Nightmare : Reach checkpoint #1

With 8 participants

Coin Rush

MKT New York Minute 3 : Collect all coins with Shy Guy

New York Coin Rush

New York Minute : Collect 100 coins in Time Trial mode, with Toad

Anniversary Gold Pipe Pull(You'll get characters after completing this challenge)

Mario Kart Tour: 1st Anniversary Tour : Make at least 10 points in 1 race in VS mode

No teams, with 8 participants, in difficult mode

Shortcut run.

Wooden forest : Use the shortcut in Time Trial mode, without touching any Wigglers, in less than 12s

Champion Of the Peters

Peter Griffin Arena : Finish the game in the 1st position without touching any Peter Griffin

Snow Way, Man.

Cold, Cold Paveway : Go in the center of the Track.

Where's a Fire Flower when you need one?

Cold, Cold Paveway : Complete the track with Mario

Cold, Hard Cash

Cold, Cold Paveway : Collect all coins

Tedious Maximus

Golden Road : Complete the track by driving backwards

Obvious character choice is obvious.

Golden Road : Finish in the 1st position with Wario

Aye, Tem.

Golden Road : Hit all item boxes

Gold, just like the road.

Golden Road : Collect all coins

SOCCER!

RONALDINHO SOCCCER 64 : Survive more than 2:40

Hahaha...

RONALDINHO SOCCCER 64 : Finish the game in the 1st position

With 8 participants

RONALDINHO

RONALDINHO SOCCCER 64 : Collect all coins without falling

Gone Fishin'

Sunrise Resort : Finish in the 1st position in VS mode, with Koopa, with 12 participants