Ski-Doo - Snowmobile Challenge

Ski-Doo - Snowmobile Challenge achievements:
Complete the following achievements to award the indicated amount
of Xbox Live Gamerscore points.

Wire Fu (60 gamerscore points):
Unlocked by performing a three stunt combo*.

Untouchable (60 gamerscore points):
Win a career race with your sled intact*.

Stingy (30 gamerscore points):
Collect 50000 in career mode without spending them.

Roadrunner (40 gamerscore points):
Lead a race from start to finish*.

Rampage (70 gamerscore points):
Take down four opponents in a row without crashing*.

Pack Rat (50 gamerscore points):
Unlock all unlockables in career mode.

Orbit (50 gamerscore points):
Stay airborne for 5 seconds*.

Hoarder (30 gamerscore points):
Unlock half of all unlockables in career mode.

HeadSplat (60 gamerscore points):
Land on top of another player*.

Hangtime (25 gamerscore points):
Hold a stunt for 2 seconds*.

Frozen (50 gamerscore points):
Hold a stunt for 4 seconds*.

Frontflip (25 gamerscore points):
Unlocked by performing a frontflip*.

Double Frontflip (50 gamerscore points):
Unlocked by performing a double frontflip*.

Double Backflip (50 gamerscore points):
Unlocked by performing a double backflip*.

Crowdsurfing (40 gamerscore points):
Collide with the spectators*.

Bully (30 gamerscore points):
Take down one opponent*.

Boostaholic (60 gamerscore points):
Stay in adrenaline mode for 60 seconds*.

Big Air (25 gamerscore points):
Stay airborne for 3 seconds*.

Berzerk (50 gamerscore points):
Take down three opponents in a row without crashing*.

Backflip (25 gamerscore points):
Unlocked by performing a backflip*.

Adrenaline Junkie (40 gamerscore points):
Stay in adrenaline mode for 30 seconds*.

Acrobat (40 gamerscore points):
Unlocked by performing a two stunt combo*.

* - Not achievable in splitscreen.

Secret achievement:
Woodcutter (40 gamerscore points):
Collide with 3 trees in a race.*