Challenges completed by Kernell
Worm Trial
Wormis Parasitis : Complete the track in less than 1:00 in 200cc class, in Time Trial mode, without falling, while constantly accelerating
Difficult
Curse of Drop Ghosts
Maskerade Raceway : Complete the track in Time Trial mode, in 150cc class, without touching the walls, while in rear view, while constantly accelerating
Extreme
Declan's Spell
Rice Ring Road : Collect 30 coins in 200cc class, in Time Trial mode, without falling, in Under One Lap, while constantly accelerating
Difficult
Mini Turbo challenge
Brawl Stars Carré Speed : Complete the track in Time Trial mode, by performing 27 Mini-Turbos
Medium
Fast and Drift-Crazy
Nova Track : Finish in the 1st position in VS mode, in 150cc class, by performing 75 Mini-Turbos
Medium
Mario Kart 4 (O) - Special Cup : Get the gold cup in Grand Prix mode, in 150cc class
In difficult mode, with 8 participants, no teams
Medium
Mario Kart 4 (O) : Get all gold cups in Grand Prix mode
Medium
Mario Kart 4 (O) - Lightning Cup : Get the gold cup in Grand Prix mode, in 150cc class
In difficult mode, with 8 participants, no teams
Medium
Wait... What?!
Wiggler Waterfalls : Reach the river in more than 25s but in less than 20s
Easy
Failing to Pay the Toll
Waluigi Highway : Go to the toll gate
Easy
Jump on the Mushroom
Rainbow Road : So let's all jump up super high! High up in the sky! There's no power-up like dancing... I'll stop.
Easy
3-4 ~ Duel at the Stadium
Senko Stadium : Finish in the 1st position in VS mode, in 150cc class, with 2 participants, in extreme mode
No teams
Difficult
Mission ?-3
SBOK2 Treasure Desert : Obtain the secret treasure
Easy
Get Special Cup
Special Cup : Get the gold cup in Grand Prix mode
Easy
Garden Rush
Volendam Gardens : Pass through pipes in order without touching any box, in less than 26s
Medium
(MMGP S-8) Superstar Cup Champion
Superstar Cup : Finish 1st 4 times in a row in Grand Prix mode, without using any item, while constantly accelerating, with inverted controls
Extreme
(MMGP S-4) Grand Star Cup Champion
Grand Star Cup : Finish 1st 4 times in a row in Grand Prix mode
Medium
(MMGP S-6) Adventurer Cup Champion
Adventurer Cup : Finish 1st 4 times in a row in Grand Prix mode, without using any item
Difficult
(MMGP S-5) Metro Cup Champion
Metro Cup : Finish 1st 4 times in a row in Grand Prix mode, while constantly accelerating
Difficult
(MMGP S-7) - Crossover Cup Champion
Crossover Cup : Finish 1st 4 times in a row in Grand Prix mode, with inverted controls
Difficult