Last published challenges

Shiny but Deadly

Duel Dimension : Go in the Off-road Crystal stuff near the start without falling

The Big Race (Medium)

Mushroom Colosseum : Finish in the 1st position with 30 participants, in medium mode

The Big Race (Easy)

Mushroom Colosseum : Finish in the 1st position with 30 participants, in easy mode

Colosseum Champion

Mushroom Colosseum : Complete the track in less than 1:20 in Time Trial mode

The 5 Fun Guys Race

Mushroom Colosseum : Finish in the 1st position in VS mode, with Toad, with 5 participants

I mean...there's only one thing you can bonk. So bonk it.

Mushroom Colosseum : Hint: It starts with the letter "P"

Using one of the Secret Stars

Slideaway Speedway : Get a star, than SLAM into the pipe.

No Drift Rally

4-Corner Speedway : Complete the track in less than 1:15 without drifting

Great Surfer!

Jump the AVALANCHE! : Complete the track without using any item

Dodge!

Jump the AVALANCHE! : Complete the track by falling at most 1 time

Brute Force and hoping around one set from the past line (Yes you have to do that)

Pendulum Pandemonium : Complete the track

L is Real 2401 ...Or is it? *dun dun DUUUUUN*

Slideaway Speedway : Complete the track with Luigi, in 2nd place, with 4 participants, by starting with 0s delay, by falling at most 1 time

One of the Castle's Secret Stars!

Slideaway Speedway : Finish in the 1st position in VS mode, with Mario, in medium mode, with 6 participants

Surviving the Clock-Obstacle Course

Clockstacle Course : Complete the track

Nostalgia

Slideaway Speedway : Get to the end (you can't go backwards) in less than 21s, with Mario, without using any item

Looking for the Blue Coin Switch

Slideaway Speedway : Break the Boxes.

Owch: The Sequel

Oh Snow! : Finish in the 1st position in VS mode, in medium mode

Owch

Oh Snow! : Complete the track

Skelerex's defi 2

Alpes DK.Splatoon : Finish in the 1st position with Dry Bones

In difficult mode

To the Top of the Fortress

Whomp's Fortress : The top area, ish...