Challenges completed by BowserJr03
Goomba Dodgeing
NES Swirl Plains : Finish in the 1st position in VS mode, without touching any NES Goomba

Spin Me Round
NES Cavernous Cave : Complete the track in less than 1:20 in Time Trial mode

speed
Wist Circuit : Finish in the 1st position
No teams

PC Bowser's Airship Goal
PC Bowser's Airship : Complete the track in less than 1:16

Not So Shy Guy
MKM: Flower Cup: Race 2: Wild Canyon : Hit all item boxes in VS mode, with 4 participants, with Shy Guy, in less than 2:30

hoops
Tagled up in knots : Land on Pipes in Time Trial mode

Mario Bros. Phase 1 (Arcade) : Collect all coins

1-3 level
N64 Banshee boadwalk : Go to hunted house in Time Trial mode, with Bowser

Go Behind The Bowser Statue
N64 Bowser's Castle : Just do it

lol
lol : Survive more than 10:00 without touching item boxes

Wii U/Switch - Mario circuit : Finish in the 1st position in VS mode, with Mario, without using any item, by performing 35 Mini-Turbos
In difficult mode, with 8 participants, no teams

Sky Shroom
MKM: Mushroom Cup: Race 1: Sky Castle Circuit : Finish in the 1st position with Toad, with 10 participants
In difficult mode

On The Clock
MKM: Mushroom Cup: Race 2: Clock Castle : Complete the track in less than 1:30 by falling at most 1 time, with Peach, by performing 2 tricks

Jump, Man!
Wii U Excitebike Arena : Complete the track by performing 10 tricks

Best of the Best
Broozer Cup : Get the gold cup with 40 points or more
In difficult mode

No Shiny Gyrados for you
Lake of Madness : Collect all coins in less than 1:00

Peach has got IT!
Western Land : Go on the Toad stage thing with Peach

Ghostly Speed Trial!
Haunted Void : Complete the track in less than 1:38

Looks hard
Twisty lakeside : Bonk any speed boosts in VS mode, without making tricks, with Petey Piranha, without falling, without drifting, without using any item, without touching any Monty Mole, by driving backwards, by starting with 90s delay
No teams, with 8 participants, in difficult mode

20 Mini Turbo Trial
Grassland Drift (Mario Kart CD) : Complete the track by performing 20 Mini-Turbos
