Here is the full list of all 33 Circuit Superstars achievements.
Win 100 races in any mode.
Win 50 races in any mode.
Win the Formula GP World Series Cup on any difficulty.
Win the Prototype World Series Cup on any difficulty.
Win a race in Online Multiplayer.
Get Pole Position for 1 Online race.
Get Pole Position for 10 races in any game mode.
Win the Rallycross World Series Cup on any difficulty.
Win the GT Supercup Cup on any difficulty.
Win the 80s GP Legends Cup on any difficulty.
Win the 50s GT Memorial Trophy on any difficulty.
Win the Super Truck Challenge Cup on any difficulty.
Win the Muscle Car Legends Cup on any difficulty.
Win the 60s GP Revival Cup on any difficulty.
Win the Euro Truck Meeting Cup on any difficulty.
Win 10 races in any mode.
Finish a Qualifier in any game mode.
Score a Pole Position in any game mode.
Win the Superlights Trophy Cup on any difficulty.
Finish on 1st, 2nd or 3rd in any game mode.
Win the Piccino Cup on any difficulty.
Complete your first race in any game mode.
Win a race in any game mode.
Win 10 races in Online Multiplayer.
Win 25 races in Online Multiplayer.
Get Pole Position for 10 Online races.
Get Pole Position for 25 Online races.
Get Pole Position for 50 races in any game mode.
Get Pole Position for 100 races in any game mode.
Drive a total of 5000 KM.
Drive a total of 2015 KM.
Drive a total of 10,000 KM.
Drive a total of 50,000 KM.