Trophies:
Bronze trophies
Acrobat – Perform a two stunt combo.
Adrenaline Junkie – Stay in adrenaline mode for 30 seconds.
Backflip – Perform a backflip.
Big Air – Stay airborne for 3 seconds.
Bully – Take down one opponent.
Crowdsurfing – Collide with the spectators.
Friendly – Invite someone to a race.
Frontflip – Perform a frontflip.
Hangtime – Hold a stunt for 2 seconds.
Hoarder – Unlock half of all unlockables in career mode.
Roadrunner – Lead a race from start to finish.
Woodcutter – Collide with 3 trees in a race.
Silver trophies
Berzerk – Take down three opponents in a row without crashing.
Frozen – Hold a stunt for 4 seconds.
Head Splat – Land on top of another player in an offline match.
Pack Rat – Unlock all unlockables in career mode.
Stingy – Collect $50000 in career mode without spending them.
Untouchable – Win a career race with your sled intact.
Gold trophies
Boostaholic – Stay in adrenaline mode for 60 seconds.
Double Backflip – Perform a double backflip.
Double Frontflip – Perform a double frontflip.
Online Acrobat – Achieve 20,000 stunt points in a single online match.
Orbit – Stay airborne for 5 seconds.
Rampage – Take down four opponents in a row without crashing.
Wire Fu – Perform a three stunt combo.
Platinum trophy
Platinum – Earn all Bronze, Silver, and Gold trophies.