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