Last published challenges
Mario key
Goomboss Arena : Finish the game in the 1st position in 150cc, with Yoshi

Wario key
Bully arena : Finish the game in the 1st position in 150cc, with Luigi

MC 1, 2, 3 Challenge Time!
Mario Circuit DX (v3) : Reach the end of Mario Circuit 3 in Time Trial mode, in 150cc, with Mario, in less than 2:00

Hide and Seek
Bowser's Zoo : Collect all coins in Time Trial mode, in 150cc, with Bowser

Jungle King!
Jungle Bungle : Finish in the 1st position in VS mode, in 150cc
In difficult mode, with 8 participants, no teams

Don't Touch The Cheep Cheeps!
Koopa Beach 3 : Hit all item boxes in VS mode, in 150cc, with Koopa, by falling at most 3 times

Road Race
Shroomway : Complete the track in less than 1:10 in Time Trial mode, in 150cc

Stuck between angry rocks and a hot place
Hippity Hoppity over lava : Reach the lava in VS mode, in 200cc, without falling
In difficult mode, with 8 participants, no teams

live
Peach Stadium >> Koopa Troopa Beach fr : Collect all coins in 150cc, in Time Trial mode

Boss Battle: Waluigi
Waluigi Estate : Finish the game in the 1st position in 150cc, with Luigi, in less than 2:30, by starting with 3 balloons, having CPUs starting with 10 balloons
No teams

Picking Flowers
Sunrise Wilds : Destroy all Piranha Plants in VS mode, in 150cc, with Bowser Jr, without going backwards, with 1 participant

GBA Master
GBA Rainbow Road but its Wii : Complete the track in less than 1:50 in Time Trial mode, in 200cc

11-Coin Scrabble
Luigi Raceway (Complete Edition) : Collect all coins in Time Trial mode, in 150cc, with Yoshi

Nostalgia Rush: 2005
Asphalt: Urban GT 2 : Collect all coins in 150cc, with 24 participants, by losing at most 1 balloon, by performing 7 Mini-Turbos, by performing 4 Super Mini-Turbos
No teams

Get 1st
SNES Koopa Beach 2 if the offroad was swapped : Finish in the 1st position in VS mode, in 150cc
In difficult mode, with 8 participants, no teams

Too Easy
[COMPLETE] Mario Kart X PC : Finish 1st 1 time in a row in VS mode, in 150cc, without using any item
In difficult mode, with 8 participants, no teams

Blue Mini-Turbo Only
Ghost Valley 2 : Complete the track in less than 1:25 in Time Trial mode, in 150cc, without using any item

Mushroom Rally
Waluigi Stadium : Finish in the 1st position in VS mode, in 150cc, without going backwards, with Waluigi
In difficult mode, with 8 participants, no teams

Hardest Challenge 1
Mario Circut 5 Plus : Complete the track in less than 5:00 in VS mode, in 300cc, without going backwards
In difficult mode, with 8 participants, no teams

Secret of the Item Boxes
Tick-Tock Stop : Hit all item boxes in VS mode, in 100cc, with Waluigi, with 1 participant
