Challenges list of eRrRoR
Unlock Shy Guy
Amogus: Find The Shortcut in less than 1:00
Easy Unlock Kirby
Are You Human?: Bust Through The Pipes
Easy Unlock Funky Kong
Big Beach: Finish in the 1st position by starting with 15s delay
Medium Project GBA: Finish 1st 3 times in a row in VS mode, in 500cc
Medium Unlockable: Dry Bowser
Project DS: Make at least 30 points in 4 races in VS mode
Easy Unlock Rosalina
Confusing Garden: Complete the track without touching item boxes
Easy Unlock Bullet Bill
Abandoned Path: Make It To The ACTUAL Abandoned Path
Easy Unlock Gooigi
Big Beach: Make It To The Island Near The Start in less than 5s
Easy Unlock Marth
Bounce Castle: Finish in the 1st position
In difficult mode
Medium Project GBA: Finish 1st 5 times in a row
Medium True Speedrunner
Airship: Complete the track in less than 2:00
Easy