Full list of all 15 GripShift achievements worth 250 gamerscore.
The base game contains 12 achievements worth 200 Gamerscore, and there is 1 DLC pack containing 3 achievements worth 50 Gamerscore.
Finish in first place in 10 Single Player Single Races.
Collect all the stars and the GS token on a single run.
Win all the goals in 10 different Challenge Levels.
Score 200 frags in Deathmatch play.
Collect all the stars in 50 levels (Challenge or Race mode).
Finish 50 levels (Challenge or Race Mode) in the Gold Time or better.
Do a full Barrel Roll and then land safely on the track.
Leave the track and fly for 10 seconds, then land safely on the track.
Win 50 Multiplayer races.
Find and collect the GS token in every Challenge level in the game.
In a Deathmatch, use a DeathRay on a player who's using a Flaming Shield.
Complete the Temple of Doom Challenge Level without a single death/restart.
Get a perfect score (150) in Penguin Bowling.
Snaker: collect 100 stars.
Win 10 games of Reverse Tag.