Here is the full list of all 31 Shoppe Keep achievements.
Sold 10,000 items
Ordered 10,000 items
Wow, well, wow.
Sold 500 Potions
Harvested 200 Mushrooms
Your shop hold on for a whole month
Cleaned up 100 corpses
Earn 100,000 Gold Profit
50 Thieves dealt with
Earn 10,000 Gold Profit
Sold 200 items
Ordered 200 items
Your shop hold on for a whole week
Sold 50 items
Earn 1000 Gold profit
Ordered 50 items
Slain your first thief
Have a free axe
Welcome aboard
1000 Thieves dealt with
Slain your first batch of barbarians
Slain 100 Barbarians
Slain 500 Barbarians
Slain Barbingantua
Barbarian sword dropped
Shoppe Keep Developer
You helped make Shoppe Keep a reality
Your shop hold on for a whole year
Ordered 20,000 items
Sold 20,000 items