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