Here is the full list of all 37 Gas Station Simulator: Prologue - there are Early Days achievements.
Complete a race in the RC Car.
Painted 25 Objects
Painted 10 Objects.
Hit trash can with a score of over 25!
Broke into 20 car trunks.
Broke into a car trunk.
Broke into 10 car trunks.
Cleaned up 100 Floor Stains
Gas Station Simulator Prologue Completed
Fuel a car within 0.01L of the requested fuel.
Got a tip during a minigame.
Got a total of 10 tips during minigames.
Served your first customer in the shop.
Bought / Found a decoration
Cleaned up 25 Floor Stains.
Cleaned up one floor stain.
Painted something!
Fuel a car within 0.1L of the requested fuel.
Ordered a Garbage Truck to collect your trash.
Hit a trash can!
Picked up a trash item.
Fuel a car within 0.2L of the requested fuel.
You let it run away from you didn't you?
Ordered fuel to be delivered to the Gas Station.
You found "Rudy"
Served 50 custoemrs in the shop.
Got a total of 50 tips during minigames.
Hit trash can with a score of over 50!
Fuel your first car.
Fueled 10 cars.
Fueled 50 cars.
You've been visited.
Scared off Dennis.
Cleaned up 50 Trash Items
Cleaned up 100 Trash Items
Managed to get really high into the air.
A flying car. Who would have thought? Not us.