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