Here is the full list of all 25 Shoppy Mart: Steam Edition achievements.
You've reached level 10 and unlocked the new register!
Completed Shoppy Mart: Steam Edition
Reached Hell
Unlocked Nova
Unlocked ???
Unlocked Veteran
Unlocked Writer
Unlocked EDM Producer
Unlocked Rosanne
Unlocked Rapper
Scan 1000 Items
Unlocked Buttface
Unlocked Crazy Hobo
Completed 100 Orders Successfully
Unlocked Albert
Scan 500 Items
Unlocked Stoner
Completed 10 Orders Successfully
Scan 100 Items
Scan 10 Items
Completed 500 Orders Successfully
Unlocked Larry
Unlocked Jimmy
RIP Headphone users
Unlocked I'm With Stupid