Challenges completed by Sponge-Robert

All's Golden

Starl Kart 2 : Get all gold cups

Rolling Sky 2 : Complete the track in Time Trial mode, without falling, while constantly accelerating

Rolling Sky 2 : Complete the track in Time Trial mode, while constantly accelerating

Flower GP Winner

Flower Cup : Get the gold cup in Grand Prix mode, in 150cc

Metal Mario & Pink Gold Peach's Challenge

Rainbow Road : Finish in the 1st position in VS mode, in 150cc, with 3 participants

In difficult mode, no teams

Mushroom GP Winner

Mushroom Cup : Get the gold cup in Grand Prix mode, in 150cc