If You complete the indicated task You'll get the allotted gamerscore.
That's It and That's All (100) - Complete every challenge of every type on every mountain in the game.
Household Name (50) - Become a Snowboarding Phenomenon by beating all the Events and Pro Riders, and racking up 1500 IP.
Serious Accumulation (50) - Accumulate 2,000,000 Session points throughout the game.
Digital Darling (45) - Be the star of your own Video Game by completing 20 Demo Reel and 20 Single Frame Media Challenges.
Lasting Influence (30) - Become a Snowboarding Legend by beating all 7 Events and amassing 1300 IP.
Endless Benefits (30) - Complete a set of Sponsor Challenges and accept their sponsorship when offered.
Frost Nipped (30) - Rack up 480 minutes of playtime.
Lover of the Front Cover (30) - Have your photo grace the cover of a magazine by completing 20 Single Frame Media Challenges.
Marketing Maven (30) - Star in a magazine advertising campaign by completing 16 All-In-One Media Challenges.
Mountaineer (30) - Find the Hidden Object on each of the seven mountains and put your name on them.
Rider of the Year (30) - Become the Rider of the Year by beating the Pro Challenges on every mountain.
Wild Child (30) - Become a max Hucker. Huck tricks by pre-winding spins and doing at least two grabs before you land.
Strict Disciplinarian (30) - Become a max Styler. Do stylish tricks by moving LS half way and holding one grab before you land.
Satisfied Customer (30) - Steal ownership of a Brand Battleground challenge from another rider on Xbox LIVE.
Endurance Rider (25) - Ride a total of 1,000,000 feet throughout the game.
Newton's Bane (25) - Defy gravity for 900 seconds.
Raison d'être (25) - Style Riders: Successfully pull off every unlockable style grab.
The Uberhucker (25) - Huckers: Pull off and land an Uberflip or Uberspin.
Alaska Complete (20) - Complete every challenge of every type in Alaska.
K2 Complete (20) - Complete every challenge of every type on K2.
Laax Complete (20) - Complete every challenge of every type on Laax.
Almirante Complete (20) - Complete every challenge of every type on Almirante Nieto.
Fuji Complete (20) - Complete every challenge of every type on Mt. Fuji.
Diablerets Complete (20) - Complete every challenge of every type on Diablerets.
Shuksan Complete (20) - Complete every challenge of every type on Mt. Shuksan.
Smiling (Between Breaths) (15) - Complete a Media Challenge of any type on every mountain in the game.
Carve It Up! (15) - Complete 100 Carve Turns.
Yes, It IS a Race! (15) - Beat the Pro Rider in at least one race on every mountain.
Multiplayer Challenge Champ (15) - Win 10 multiplayer challenges of any type on Xbox LIVE.
Mise-In-Sàne (10) - Take a photograph of another rider on any mountain on Xbox LIVE.
Wanderer (10) - Find a Hidden Object and put your name on it (there's one Hidden Object on each mountain).
Fuji Event Winner (10) - Win the Air Party event on Mt. Fuji.
Shuksan Event Winner (10) - Win the Shred Fest event on Mt. Shuksan.
Breakthrough (10) - Catch the Media's Eye by completing challenges and building up 10 Influence Points.
Later, Amateurs! (10) - Rack up 64 Influence Points and become a Professional Rider.
Almirante Event Winner (10) - Win the Wangle Tangle event on Almirante Nieto.
Diablerets Event Winner (10) - Win the Elements of Style event on Diablerets.
Autophotography (10) - Get some air and take a photo of yourself using the camera.
K2 Event Winner (10) - Win the Death Zone Madness event on K2.
Laax Event Winner (10) - Win the Burton Open event on Laax.
Alaska Event Winner (10) - Win the Highway to Hell event in Alaska.
Protégé (5) - Complete Wolle's 5 Tutorial Challenges on Almirante Nieto.
In the Wild (5) - Successfully complete a Challenge of any type.
Documentarian (5) - Unlock the camera.
Propwash in the Morning (5) - Unlock a Helicopter by beating every Session Challenge on a mountain.
Maybe Next Time (5) - Stay loyal to your current sponsor at least once after being given another offer.
Posse Tabula (5) - Join a multiplayer session on Xbox LIVE.
Beginner's Luck? (5) - Take part in and win a multiplayer challenge of any type on Xbox LIVE.