Challenges completed by Loewi

Absolution

Muse Arena : Survive more than 30s in 150cc, while constantly accelerating, by starting with 3 balloons

Snaking boy

Bully of snakes : Complete the track in less than 1:30 in Time Trial mode

Coin run!!

Mario Stadium : Collect all coins in Time Trial mode, with Bowser

i : Complete the track in less than 2:00 in Time Trial mode

Get Mushroom Cup

Mushroom Cup : Get the gold cup in Grand Prix mode