There are 15 achievements worth a total of 250 points
Complete the Temple of Doom Challenge Level without a single death/restart.
In a Deathmatch, use a DeathRay on a player who's using a Flaming Shield.
Find and collect the GS token in every Challenge level in the game.
Win 50 Multiplayer races.
Leave the track and fly for 10 seconds, then land safely on the track.
Do a full Barrel Roll and then land safely on the track.
Finish 50 levels (Challenge or Race Mode) in the Gold Time or better.
Collect all the stars in 50 levels (Challenge or Race mode).
Score 200 frags in Deathmatch play.
Win all the goals in 10 different Challenge Levels.
Collect all the stars and the GS token on a single run.
Finish in first place in 10 Single Player Single Races.
Win 10 games of Reverse Tag.
Snaker: collect 100 stars.
Get a perfect score (150) in Penguin Bowling.