Challenges list of KamdenL830
Mushroom Bridge : Collect all coins in Time Trial mode

Reach the moon without falling.
Rainbow Road : Reach the moon in 150cc class, in Time Trial mode, without falling, without reverse drifting

Unlock Toadette
Retro Cup : Get the gold cup in Grand Prix mode
No teams

Mario Circuit : Hit all item boxes in Time Trial mode, with Luigi

Visit Peach's Castle
Royal Raceway : Drive to the castle in Time Trial mode, in 200cc class, with Peach, in less than 45s

Mushroom Gorge : Collect all coins in Time Trial mode

Peach Gardens V2 : Complete the track in less than 1:15 in Time Trial mode, in 200cc class, with Peach

All Cup Tour
MPGP (DS Update) : Get all gold cups

Kart Race with Koopa the Quick
Bob-omb Battlefield : Finish in the 1st position in VS mode, in 150cc class, with 2 participants, with Mario
In difficult mode

Yoshi's Island : Complete the track in less than 1:15 in Time Trial mode, with Yoshi

Peach Beach : Collect all coins in Time Trial mode, with Peach

Mushroom Bridge : Complete the track in less than 56s in Time Trial mode, without touching any bus
