Complete level 1-1
Reach the stop sign in World 1
Reach the stop sign in World 2
Reach the stop sign in World 3
Reach the stop sign in World 4
Reach the stop sign in World 5
Reach the stop sign in World 6
Find your first secret exit
Unlock a new car shape
Play a level using a custom car body or tire design
Complete a "beat the dev" challenge on any level
Complete 20 "beat the dev" challenges
Complete any "skull" level
Jump 1000m or further in the Long Jump Challenge
Jump 2000m or further in the Long Jump Challenge
Reach the stop sign in World 7
Reach the stop sign in World 8
Complete 8 "skull" levels