Destroy 50 cars with the autogun.
Complete all career missions.
Defeat the boss.
Rise from the last spot 5 seconds before the finish.
Be the leader and lose it all 5 seconds before the finish.
Destroy 40 cars with the saw.
Destroy 20 cars with a soundwave.
Unlock all cars in career.
Hit yourself with every possible weapon.
Break the sound barrier.
Kill the opponent with each weapon but the slime.
Destroy 30 cars with the missile.
Drop a slime while in the lead.
Be the king for most of the race.
Win in each of the three modes.
Die a hundred times.
Spend 2 seconds in the air.
Do a NO SCOPE, while doing a 360.
Complete your first serious competition.
Overtake the leader a second before the finish.
Join an online party.