Full list of all 36 Stacklands achievements. It takes around 4-5 hours to unlock all of the achievements in the base game on Windows.
The base game contains 16 achievements, and there is 1 DLC pack containing 20 achievements.
Kill the Final Boss
Find a mysterious artifact
Buy something from a Travelling Cart
Reach Moon 24
Cook a Frittata
Unlock all Packs
Sell a Card at the Market
Have 50 Gold
Kill a Skeleton
Kill a Rat
Create Offspring
Get a Second Villager
Build a House
Sell a Card
Pick a Berry Bush
Get a Dog
Fight the Wicked Witch
Make a Villager wear a Rabbit Hat
Kill the Kraken
Find Treasure
Kill the Final Final Boss
Unlock all Island Packs
Get a Villager drunk
Build a Greenhouse
Build a Stable Portal
Fight Wave Six
Build a Sloop
Catch a Fish
Build a Rowboat
Build a Smithy
Train an Archer
Have a Villager with Combat Level 20
Find the Dark Forest
Make Rum
Befriend a Pirate
Make Ceviche