Here is the full list of all 33 SNOW achievements.
Travel a total distance of 100km
Ride switch a total distance of 100km
Ride switch a total distance of 10km
Reach level 60
Travel a total distance of 10km
Spin a total of 14400°
Roll a total of 360,000°
Accumulate 100,000 points
Roll a total of 180,000°
Reach level 30
Flip a total of 360,000°
Achieve 100 Perfect Landings
Roll a total of 36,000°
Spend a total of 1800 seconds in the air
Accumulate 30,000 points
Achieve 50 Perfect Landings
Flip a total of 180,000°
Grind for a total of 2,000 seconds
Spend a total of 300 seconds in the air
Reach level 10
Grind for a total of 500 seconds
Ride switch a total distance of 25km
Travel a total distance of 1km
Flip a total of 36,000°
Accumulate 10,000 points
Achieve a speed of 160km/h
Achieve 20 Perfect Landings
Grind for a total of 60 seconds
Spin a total of 36,000°
Achieve a speed of 120km/h
Achieve a speed of 30m/s
Spin a total of 18,000°