Challenges completed by Kernell
Underground Karts
Crystal Caves : Complete the track in less than 1:37 in Time Trial mode
Difficult Jungle Jiffy
Jumpin' Jungle : Complete the track in less than 1:36 in Time Trial mode
Medium Dungeon Dash
Dangerous Dungeon : Complete the track in less than 1:39 in Time Trial mode
Medium Space Speed Time
Bizarre Bypass : Complete the track in less than 1:14 in Time Trial mode
Medium Thunder Struck
Stratocumulus Circuit : Complete the track in less than 1:07 in Time Trial mode
Medium Circuit Speediness
F1 Freeway : Complete the track in less than 1:45 in Time Trial mode
Medium Android Adrenaline
Robot Raceway : Complete the track in less than 1:20 in Time Trial mode
Medium Sand Sprint
Sand Circuit : Complete the track in less than 1:44 in Time Trial mode
Medium Slime Speedsters
Goopy Gateway : Complete the track in less than 1:10 in Time Trial mode
Medium Rusty Race
Rusted Shipwreck : Complete the track in less than 1:11 in Time Trial mode
Medium Slippery Sprint
Arctic Freeway : Complete the track in less than 1:32 in Time Trial mode
Medium Volcano Rush
Magma Motorway : Complete the track in less than 1:12 in Time Trial mode
Medium Speedway Speedsters
Stranded Speedway : Complete the track in less than 34s in Time Trial mode
Medium Rocket Race
Rocket Road : Complete the track in less than 50s in Time Trial mode
Medium Beach Dash
Refreshing Beach : Complete the track in less than 44s in Time Trial mode
Easy Gold Glory
Complete Cup 1 to 4 : Get all gold cups in Grand Prix mode
Extreme Gold Cup Challenge 2
Complete Cup 1 to 4 : Get 2 gold cups in Grand Prix mode
Difficult Gold Cup Challenge
Complete Cup 1 to 4 : Get 1 gold cup in Grand Prix mode
Medium Mushroom Challenge
Mushroom Cup : Get the gold cup in Grand Prix mode
Medium Escape from the werewolf
Taco Werewolf Castle : Complete the track in Time Trial mode, in less than 5:00
Difficult