Last published challenges
Boos' Revenge
Boo Valley : Finish in the 1st position in VS mode, in 150cc mirror, without being hit by a fake item box, a banana, a green shell, a red shell, a bobomb, a blue shell, a mega mushroom, a star, a bullet bill, a lightning or a poison mushroom, without touching any Boo, without touching the walls, without taking the boost pads, without falling, with Luigi, in impossible mode, in less than 1:20
With 8 participants, no teams
Impossible Ultra Staff Ghost
Kirby Boy Colosseum remake : Complete the track in less than 1:41 in Time Trial mode, in 150cc
Difficult défis N°8 du circuit des 4 saisons : le défis de wario
Le circuit des 4 saisons : Complete the track in VS mode, in 300cc
Easy Don't Get Hit!
Bowser's Fortress : Complete the track in VS mode, in 150cc, without touching any Chain Chomp, fire triplet, Chomp, Goomba, Thwomp, Monty Mole, Spike, pendulum, fire bar, fire snake, Bullet Bill, fire plant nor clock hand
No teams
Difficult Mission Final-1
Battle arena : Finish the game in the 1st position with 2 participants, in less than 5:00, with Mario, having CPUs starting with 5 balloons, by starting with 1 balloon
No teams
Easy Don't Touch a Wall!
Warp-Pipe Dash : Complete the track in VS mode, in 200cc, without touching the walls
Difficult Offroad Cross
Town (battle challenges) : Cross the zone with the dark grass in 150cc, by driving backwards, without touching the walls, without touching any fir tree, with Toad, in less than 45s, while in rear view, by starting with 1 balloon
Easy Battle Master
Town (battle challenges) : Hit 10 opponents in 200cc, without touching the walls, without touching any traffic cone, bus, Cheep-Cheep, fir tree nor tree, without taking the bridge, without touching the dark grass, without going backwards, in less than 2:00, by starting with 3 balloons, having CPUs starting with 4 balloons
With 8 participants, no teams
Impossible Dark Shell = Lifefuel
Town (battle challenges) : Survive more than 31s in 200cc, with Waluigi, with 101 participants, by starting with 1 balloon, having CPUs starting with 31 balloons
No teams
Extreme Dark Shell = Suifuel
Town (battle challenges) : Survive more than 14s in 200cc, without losing any balloons, with Waluigi, with 101 participants, while constantly accelerating, by starting with 1 balloon, having CPUs starting with 14 balloons
No teams
Extreme The Lonely Tree
Mountain Byways : Find the Lonely Tree in VS mode, in 150cc, in less than 0:04:500
Difficult kjhb
Super multicoupe 1 : Finish 1st 1 time in a row without using any item
In difficult mode
Easy We're going home! + Unlock Secret Character!
Nicktoons Nitro (My Version) : Get all gold cups in Grand Prix mode
Medium coconut cash
coconut mall : Collect all coins in Time Trial mode, in less than 3:35
Easy treseD teW teW
Wet Wet Desert : Complete 1 lap in reverse in VS mode, in 50cc, without touching any Pokey nor fire snake, without touching the walls, without falling, by taking at most 3 jumps, in less than 30s
Impossible Bullet Jumble
Town (battle challenges) : Reach the central item box at the center of the battle arena in 50cc, without using any item, with Koopa, in less than 16s, with 333 participants, by starting with 3s delay, by starting with 1 balloon, having CPUs starting with 36 balloons
Extreme Ultimate Battle Victory
Town (battle challenges) : Eliminate 5 opponents by yourself in 200cc, with Daisy, with 15 participants, without being hit by a blue shell, in 1st place, in less than 2:00, by performing 1 Mini-Turbo, by starting with 1 balloon, having CPUs starting with 7 balloons
No teams
Impossible Nicktoons Nitro Cup 2/2 : Get the gold cup in Grand Prix mode
Medium Pro Mode
Mario Kart: Hyper Circuit : Finish 1st 1 time in a row in VS mode, in 200cc mirror, without using any item, without going backwards, with Peach, in medium mode, with inverted controls
With 8 participants, no teams
Difficult Tropical Challenge
Riverlake Bed : Complete the track in VS mode, in 50cc mirror, without touching the moles, without making tricks, without using any item
In difficult mode
Easy