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