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