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