Full list of all 56 The Long Dark achievements worth 1,215 gamerscore. It takes around 150-200 hours to unlock all of the achievements in the base game.
The base game contains 40 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 16 achievements worth 215 Gamerscore.
Find all Forest Talker caches.
Complete Jeremiah's Survival School.
Find all hidden caches in Episode One and Episode Two.
Survive one day on Interloper difficulty.
Survive 500 days in a single Survival Mode game.
Get all skills to level 5 in a single Survival Mode game.
Map all named locations in Survival Mode.
Climb to the top of Timberwolf Mountain.
Visit every interior location in both Mystery Lake and Coastal Highway (single game).
Survive 100 days in a single Survival Mode game.
Sleep in a Bearskin Bedroll while wearing a Wolfskin Coat, Deerskin Boots, and Rabbitskin Mittens.
Complete all Research books.
Survive 25 consecutive full days only consuming calories harvested from wild plants and animals.
Harvest 25 of each kind of plant (single game).
Survive 50 days in a single Survival Mode game.
Survive the first 50 days without firing any firearms (single game).
Survive the first 25 days without killing anything (single game).
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 1 day in a single Survival Mode game.
Catch a fish weighing over 5kg (11 lbs).
Stun a rabbit with a rock from over 25 meters (80 feet) away.
Keep a campfire burning for 3 days.
Leave Mystery Lake. Complete Episode Two.
Kill the Old Bear.
Harvest 10 Complete Deer Carcasses (single game).
Heal yourself using all types of natural medicines (single game).
Craft a full set of improvised Tools.
Fill all clothing slots with 100% condition gear.
Survive the first Aurora event.
Bring Jeremiah back from near death.
Leave Milton. Complete Episode One.
Complete Lily's Story.
Open all Safety Deposit boxes in Milton.
Prepare Grey Mother for Winter.
Make your way to Milton.
Escape the ravine after your crash.
Complete every Challenge.
Leave Pleasant Valley behind. Complete Episode Three.
Investigate all four mysterious local legends.
Collect all six Notes with details on Forest Talker activity in Pleasant Valley.
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.
Find Medicine for the Warden.
Sabotage the Locking Mechanism.
Locate the Detonators.
Turn the tables on Mathis.
Escape Blackrock and Complete Episode Four.
Collect all four bloody pages from the Blackrock Archives.
Learn the truth behind all three Blackrock rumours.
Uncover the latest Forest Talker Plans.