Full list of all 27 Necesse achievements.
The base game contains 11 achievements, and there are 2 DLC packs containing 16 achievements.
Increase max trinket slots
Complete a settlement quest tier
Have an inventory full of different items
Wear a gold crown
Catch 2 fish in 1 throw
Have all possible settlers live in the same settlement
Reach the deep caves
Listen to a vinyl on the music player
Have a settler reach 100% happiness
Kill a Zombie in a single hit
Kill a boss in less than 30 seconds
Recruit your first settler
Defeat the Fallen Wizard
Defeat the Pirate Captain
Find and dig up a gravestone
Equip your first trinket ability