Last published challenges
Racing not far from the Castle
Rocky Raceway : Finish in the 1st position with Peach

Fun
Rocky Raceway : Complete the track without drifting, with Donkey-kong

Secret Rockside Road that will help on the Time Trials challenge
Rocky Raceway : Hop after the breaking the box with enough speed.With the right timing,you can drive on a slim road

Break the only thing here that can be broken
Rocky Raceway : IT HAS BEEN BROKEN

Beat the Staff Ghost
Rocky Raceway : Complete the track in less than 44s in Time Trial mode

Complete the track with 67 more Waluigis (Not kidding)
Waluigi68 Pinball/Flipper : Finish in the 1st position in VS mode, with Waluigi, with 68 participants, in medium mode

Rush Hour!
Highway Havoc! : Finish in the 1st position in less than 2:20

Wario's Challenge
The End : Complete the track in Time Trial mode, with Wario, in less than 4:00

toadfan's challenge
all the cups I could fit. : Finish 1st 2 times in a row in VS mode, in different circuits, with Toad

The pro at Sucking
Boo Manor : Complete the track with Luigi, in 8th place

Beat the Staff Ghost
Boo Manor : Complete the track in less than 57s in Time Trial mode

koopa et koopa
CIRCUIT JELé DE KOOPA : aller sur le koopa rouge with Koopa

King of the Dead
Boo Manor : Finish in the 1st position with King Boo

Hit any Ghost
Boo Manor : Ouch

Saint-Godart
Piste Oualouigi68 : Complete the track in less than 58s

Drifting over and over again at the edge
Evil Test Circle : Complete the track

Nothing blocks me!...except that.
Oceanside Port : Investigate the Roadblock

Slow-Motion Experts
Ultimate Stadium : Find a muddy shortcut

Finally, after 30 minutes, i finally beat this track!
Ultimate Stadium : Complete the track in VS mode

This is MY castle!
Bowser's Castle : Complete the track with Bowser, without falling, without drifting
