Reach level 5
Land a combo with a "Close call" in it.
Land a combo with a "Tumbler" in it
Hit your face on the ground and survive
Get a Perfect Slam Landing
Activate overdrive
Travel for 200m after crash
Do a stunt worth 50 stars
Reach 10000m
Clear a 500m jump
Drive for 1 000 000m total
Reach level 10
Reach level 50
Reach level 25
Reach level 100
Win 1 multiplayer race
Win 25 multiplayer race
Win 10 multiplayer race
Win 100 multiplayer race
Play a random opponent in multiplayer
Buy a headpiece
Buy a suit
Equip a matching suit and headpiece
Complete all missions on a bike
Win a race using a Class D bike
Get 3 stamps in a race
Win a race using a Class C bike
Win a race using a Class B bike
Land a combo worth 1 star
Win a race using a Class A bike
Consider the meaning of life
Crash during an intro stunt
Win a multiplayer game crashing before the other player, but flying further than him
Get hit on the head with a tire after crashing