Full list of all 47 Project Winter achievements worth 1,195 gamerscore. It takes around 20-25 hours to unlock all of the achievements in the base game.
The base game contains 38 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 9 achievements worth 195 Gamerscore.
Kill 50 animals
Swap clothes with 20 corpses
Harvest 200 berries
As a survivor, kill a traitor, swap clothes with them, then kill the other traitor
Escape on the second vehicle called from the cabin radio
Kill two traitors in a game as a survivor
Poison 10 interactable objects
Eat 100 roots
Complete 25 bonus objectives
As a Traitor, have no Survivors living without directly killing any of them
Be the only one to escape in a game
Be the only one left alive
Escape on a vehicle by yourself
As a survivor, hit the 'repair' button on both objectives, and call for the rescue
Complete the traitor team goal without opening a single traitor cache
Destroy 75 rocks
Be the last survivor to board an escape
Operate a coop console 25 times
Escape within the last minute of the round
Call the rescue from the cabin radio
Chop down 100 trees
Escape within 15 minutes from the start of the game
Escape as a survivor
Escape on a vehicle with five other survivors
Complete 5 bonus objectives
Knock down 10 survivors as a traitor
Stay outside for the entire duration of blizzard events for one game
Kill a survivor as a traitor
Complete the tutorial
Play 10 games without killing anyone
Explore the entire map in one game
Double cross (kill) the other traitor when playing as traitor
Craft 20 items in one game
Use 10 traitor airdrop abilities
Escape on the escape pod
As a traitor, hit the 'repair' button on 10 survivor objectives
Use the truth serum 3 times on a player while playing as a traitor
Use the truth serum 3 times on a player while playing as a survivor
Convert 3 survivors in a single round as the Demon
Convert 3 survivors in a single round as the Whisperer
Successfully convert a survivor during the Blackout event
Use a Rosary to protect against a conversion
Be the only survivor alive at the end of a round that has not been converted
Win a round with the survivors as the Yeti
Win a round with the traitors as the Yeti
Get ambushed by wolves in bunkers twice in one game
Kill 3 wolves with your bare hands in a single game