Full list of all 56 The Long Dark achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 40 achievements, and there are 2 DLC packs containing 16 achievements.
Find all hidden caches in Episode One and Episode Two.
Open all Safety Deposit boxes in Milton.
Leave Mystery Lake. Complete Episode Two.
Kill the Old Bear.
Find all Forest Talker caches.
Complete all six Survival School objectives across Episodes One and Two.
Survive the first Aurora event.
Bring Jeremiah back from near death.
Leave Milton. Complete Episode One.
Complete Lily's Story.
Prepare Grey Mother for Winter.
Get all skills to level 5 in a single Survival Mode game.
Survive 500 days in a single Survival Mode game.
Keep a campfire burning for 3 days.
Survive one day on Interloper difficulty.
Map all named locations in Survival Mode.
Make your way to Milton.
Escape the ravine after your crash.
Climb to the top of Timberwolf Mountain.
Complete all Research books.
Fill all clothing slots with 100% condition gear.
Craft a full set of improvised Tools.
Keep calorie store above zero for 10 days.
Stun a rabbit with a rock from over 25 meters (80 feet) away.
Catch a fish weighing over 5kg (11 lbs).
Sleep in a Bearskin Bedroll while wearing a Wolfskin Coat, Deerskin Boots, and Rabbitskin Mittens.
Survive the first 25 days without killing anything (single game).
Survive 25 consecutive full days only consuming calories harvested from wild plants and animals (single game).
Visit every interior location in both Mystery Lake and Coastal Highway (single game).
Survive 100 days in a single Survival Mode game.
Survive the first 50 days without firing any firearms (single game).
Harvest 25 of each kind of plant (single game).
Heal yourself using all types of natural medicines (single game).
Survive 3 consecutive Nights outside (single game).
Harvest 10 Complete Deer Carcasses (single game).
Survive 50 days in a single Survival Mode game.
Survive 10 days in a single Survival Mode game.
Survive 1 day in a single Survival Mode game.
Survive an entire Night outside (single game).
Complete every Challenge.
Leave Pleasant Valley behind. Complete Episode Three.
Intercept the Radio transmission.
Collect all six Notes with details on Forest Talker activity in Pleasant Valley.
Tall Tales
Rescue all three lost Survivors and stock the Hall with supplies.
Enter the Crash Site.
Defeat your first Timberwolf pack.
Get to Thomson's Crossing.