Here is the full list of all 26 Super Toy Cars achievements.
Own all the cars in the game in career mode
Race a total of 500 miles
Spend 10 minutes in the air
Own all the cars with all the unlocks in career mode
Finish first in an Evade event stepping on no mines
Spend 10 minutes boosting
Play a custom track downloaded from the Steam Workshop
Play a local or online multiplayer game
Finsh all races in career mode 1st
Take one Replay Screenshot
Finish the game in career mode
Earn a total of 500000 credits
Step on 10 or more mines in an evade event and win
Unlock the 7th episode (S class vehicles)
Collect 100 coins
Finish a race drifting and boosting
Win a race without drifting
Use 250 power-ups
Unlock the 5th episode (A class vehicles)
Drift a total of 42Km
Buy all upgrades for a vehicle
Finish the tutorial
Finish 1st in a single player race
Unlock the 3rd episode (B class vehicles)
Do a drift of more than 500 meters
Win a race using no power-ups