Here is the full list of all 13 Obliteracers achievements.
Earn all bombs in career mode
Take out 250 racers while driving backwards
Take out 1000 racers
Perform a 360 mid-air and stomp a victim on the landing
Perform a 720 while drifting
Take out eight racers at once with Space Lube
Take out eight racers at once with the Shockwave
Absorb five pickups in a single round
Win every round in a Survival match
Host and win an online match
Join an online match
Barbecue a bot racer carrying an armed Arc Zapper
Take out your first victim