Challenges list of groan

Coins

Mario Kart Stadium : Collect 15 coins in Time Trial mode, in 150cc, without reverse drifting

All Gold

Mario Kart Wii PC : Get all gold cups in Grand Prix mode

Blue Mini-Turbo Only

Ghost Valley 2 : Complete the track in less than 1:25 in Time Trial mode, in 150cc, without using any item

CPU'S CANT WIN

CPU'S CANT WIN : Finish in the 1st position in VS mode, in 150cc

In difficult mode, with 8 participants, no teams