Here is the full list of all 22 CropDuster Supreme achievements.
Clear Burrito Hut
Clear the Parking Lot
Clear the Gas Station
Clear the Airport
Clear the Airplane
Clear the Hotel
Clear the Elevator
Clear the Gym
Clear the Wedding
Munch 5 burritos
Munch 25 burritos
Munch 100 burritos
Collect 5 Clocks
Collect 25 Clocks
Collect 100 Clocks
Gas 100 civilians
Gas 500 civilians
Gas 1000 civilians
Gas 5000 civilians
Complete the 'Toot' Difficulty
Complete the 'Fart' Difficulty
Complete the 'Shart' Difficulty