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