Challenges completed by hydroblast

Basic

Galactic-Ufos Practice : Complete the track in less than 1:09

Better

Galactic-Ufos Practice : Complete the track in less than 59s

Luigi Circuit Staff Ghost

Luigi Circuit : Complete the track in less than 1:42 in Time Trial mode

The Completioner

3DS Rosalina's Ice World : Complete the track

Winner Winner Chicken Dinner

3DS Rosalina's Ice World : Finish in the 1st position

Shortcut!

3DS Rosalina's Ice World : “Find the secret shortcut”

Winner Winner Chicken Dinner

Wii Moo Moo Meadows : Finish in the 1st position

The Completioner

Wii Moo Moo Meadows : Complete the track

The Completioner

GP2 Diamond City : Complete the track

Winner Winner Chicken Dinner

GP2 Diamond City : Finish in the 1st position

Just race in first place!

SM64 DS Princess Peach's Secret Slide : Finish in the 1st position in VS mode

In difficult mode, with 8 participants

Roll Credits!

Nintendo Land : Complete the track in less than 1:36 in Time Trial mode

NEEEEEEENTENDO! WOOOHOOOO!

Nintendo Land : Finish in the 1st position

Console Wars

Nintendo Land : Finish in the 1st position with Mario

Where's Olimar?

Nintendo Land : Find Olimar, and reach him.

Get N or get Out.

Nintendo Land : Make it to the O in Nintendo.

It's Time!

Big Ben : Survive more than 1:30

Time Trials

Big Ben : Finish the game in the 1st position

Tiem

Big Ben : Eliminate 1 opponent by yourself

Time out!

Big Ben : Hit 3 opponents