Find and collect the GS token in every Challenge level in the game.
Complete the Temple of Doom Challenge Level without a single death/restart.
Finish in first place in 10 Single Player Single Races.
Finish 50 levels (Challenge or Race Mode) in the Gold Time or better.
Collect all the stars in 50 levels (Challenge or Race mode).
Leave the track and fly for 10 seconds, then land safely on the track.
Win all the goals in 10 different Challenge Levels.
Do a full Barrel Roll and then land safely on the track.
Collect all the stars and the GS token on a single run.
In a Deathmatch, use a DeathRay on a player who's using a Flaming Shield.
Get a perfect score (150) in Penguin Bowling.
Snaker: collect 100 stars.
Win 10 games of Reverse Tag.
Score 200 frags in Deathmatch play.
Win 50 Multiplayer races.