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