Here is the full list of all 48 Stoked: Big Air Edition achievements worth 1,000 gamerscore.
Complete every ToD, SaT, Race, Media Challenge and the Event on every mountain
Complete every ToD, SaT, Race, Media Challenge and the Event in Alaska
Complete every ToD, SaT, Race, Media Challenge and the Event on Mt. Shuksan
Complete every ToD, SaT, Race, Media Challenge and the Event on K2
Complete every ToD, SaT, Race, Media Challenge and the Event on Laax
Complete every ToD, SaT, Race, Media Challenge and the Event on Diablerets
Become a max Hucker. Huck tricks by pre-winding spins and doing at least two grabs before you land.
Find the Hidden Object on each of the seven mountains and put your name on them
Become a Video Game star by completing 20 Demo Reel and 20 Photo Media Challenges while sponsored
Become a Snowboarding Legend by beating all 7 Events and amassing 1300 IP
Win the Air Party event on Mt. Fuji
Complete every ToD, SaT, Race, Media Challenge and the Event on Mt. Fuji
Complete every ToD, SaT, Race, Media Challenge and the Event on Almirante
Win the Shred Fest event on Mt. Shuksan
Win the Highway to Hell event in Alaska
Star in an advertising campaign by completing 16 All-In-One Media Challenges while sponsored
Win the Burton Open event on Laax
Appear on the cover of a magazine by completing 20 Photo Media Challenges while sponsored
Complete a Media Challenge of any type on every mountain in the game
Beat the Pro Rider in at least one race on every mountain
Win the Death Zone Madness event on K2
Huckers: Pull off and land an Uberflip or Uberspin
Win the Elements of Style event on Diablerets
Stay loyal to your current sponsor at least once after being given another offer
Win the Wangle Tangle event on Almirante Nieto
Ride a total of 1,000,000 feet throughout the game
Ride for 480 minutes
Accumulate 2,000,000 Session points throughout the game
Complete 100 Carve Turns
Find a Hidden Object and put your name on it (there's one Hidden Object on each mountain)
Unlock a Helicopter by beating every Session Challenge on a mountain
Steal ownership of a Brand Battleground challenge from another rider on Xbox LIVE
Complete a set of Sponsor Challenges and accept their sponsorship when offered
Get some air and take a photo of yourself using the camera
Unlock the camera
Rack up 64 Influence Points and become a Professional Rider
Defy gravity for 900 seconds
You've completed Wolle's 5 Tutorial Challenges on Almirante Nieto
You've successfully completed a Challenge of any type
Catch the Media's Eye by completing challenges and building up 10 Influence Points
Become a Snowboarding Phenomenon by beating all the Events and Pro Riders, and racking up 1500 IP
Become the Rider of the Year by beating the Pro Challenges on every mountain
Take a photograph of another rider on any mountain on Xbox LIVE
Win 10 multiplayer challenges of any type on Xbox LIVE
Take part in and win a multiplayer challenge of any type on Xbox LIVE
Join a multiplayer session on Xbox LIVE
Become a max Styler. Do stylish tricks by moving LS half way and holding one grab before you land.
Beat all 7 Pro Rider Challenges to learn all 7 signature tricks and pull off each one