Full list of all 42 Offroad Mania achievements.
The base game contains 19 achievements, and there are 5 DLC packs containing 23 achievements.
Get 25 trophies per time in Endless mode
Get 50 trophies per time in Endless mode
Get 100 trophies per time in Endless mode
Get the car completely dirty
Complete any race tracks 5 time
Complete any race tracks 15 time
Complete any race tracks 55 time
Get 25 trophies in Classic mode
Get 50 trophies in Classic mode
Get 100 trophies in Classic mode
Get 100 points in Winter mode
Unlock Bonus Car 1
Unlock Bonus Car 2
Unlock Bonus Car 3
Unlock Bonus Car 4
Unlock Bonus Car 5
Unlock Bonus Car 6
Unlock Bonus Car 7