Full list of all 27 Necesse achievements.
The base game contains 11 achievements, and there are 2 DLC packs containing 16 achievements.
Obtain all possible items
Play the game for a full 24 hours
Fish up a total of 500 items
Start a settlement
Get your first pet
Run a full marathon on foot
Enchant an item using the mage
Visit all different biomes
Defeat your first boss
Change your spawn point
Be careful to not get lost!
Have all possible settlers live in the same settlement
Wear a gold crown
Catch 2 fish in 1 throw
Reach the deep caves
Increase max trinket slots
Have an inventory full of different items
Complete a settlement quest tier
Have a settler reach 100% happiness
Defeat the Fallen Wizard
Listen to a vinyl on the music player
Kill a boss in less than 30 seconds
Kill a Zombie in a single hit
Defeat the Pirate Captain
Recruit your first settler
Equip your first trinket ability
Find and dig up a gravestone