Here is the full list of all 63 Battle Riders achievements.
Reach 330 in 18 different Minefield challenges
Reach 330 in 9 different Minefield challenges
Hit at least 120 barrels in 18 different Barrels challenges
Wreck 1000 cars
Wreck 100 cars with the EMP
Wreck 500 cars
Wreck 100 cars with the Raygun
Wreck 100 cars with Mines
Win 20 events with the Tempest
Wreck 100 cars with Missiles
Wreck 50 cars with the EMP
Achieve under 1:01 in 18 different Time Attack challenges
Hit at least 120 barrels in 9 different Barrels challenges
Reach 330 in a Minefield challenge
Win 20 events with the Blaze
Wreck 100 cars with the Machinegun
Wreck 50 cars with Missiles
Win all Career events
Win 20 Survival events
Win 20 events with the Vector
Wreck 50 cars with the Raygun
Win 40 Battle Race events
Win 10 Time Trial events
Win 20 events with the Meteor
Wreck 50 cars with Mines
Win 10 Duel events
Unlock all Metropolis tracks
Achieve under 1:01 in 9 different Time Attack challenges
Hit at least 120 barrels in a Barrels challenge
Win 20 events with the Iridium
Wreck 10 cars with the Raygun
Win 10 Clean Race events
Win 10 Elimination events
Wreck 50 cars with the Machinegun
Win all Tier 2 events
Repair your car 100 times
Wreck 10 cars with Mines
Win 10 Survival events
Wreck 100 cars
Win 20 events with the Sabre
Wreck 10 cars with the EMP
Unlock all Canyon tracks
Win 20 Battle Race events
Win 5 Time Trial events
Win 5 Duel events
Unlock all City Limits tracks
Wreck 10 cars with Missiles
Win 5 Clean Race events
Win 5 Elimination events
Achieve under 1:01 in a Time Attack challenge
Win all Tier 1 events
Repair your car 50 times
Wreck 30 cars
Win 20 events with the Raptor
Wreck 10 cars with the Machinegun
Win a Duel event
Win a Clean Race event
Win a Time Trial event
Win an Elimination event
Repair your car 10 times
Win a Survival event
Wreck a car
Win a Battle Race event