Here is the full list of all 16 Carnage Racing achievements.
Won 5 races!
Won 20 Races!
Won 100 races!
Champion of Carnage - Amazing feat - Won 500 races!
Triple Day Play - Played 3 consecutive days!
Week Sauce - Played 7 consecutive days!
Super Fan - Played 20 consecutive days!
Online Enthusiast - Played 25 races online!
Online Demi-God - Played 50 online races!
Online Deity - Played 100 races online!
Serial Winner - 5 Consecutive Race Wins!
Making it Look Easy - 25 Consecutive Race Wins!
Grand Master - 50 Consecutive Race Wins!
Complete 32 goals to unlock the Trickster car class.
Complete 66 goals to unlock the Speedster class.
Complete all of the goals in the game.