Full list of all 120 Darkest Dungeon achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 69 achievements, and there are 3 DLC packs containing 51 achievements.
Acquire all your Ancestor's Trinkets
Complete all Caretaker Goals
Kill a Squiffy Ghast with a Jester
Lose a hero to a Maggot
Lose a hero to a trap
Lose a hero to an obstacle
Dismas and Reynauld Made it to the final Darkest Dungeon Quest
Lose a hero to hunger
Kill any boss with only one hero remaining
Fully upgrade the Tavern
Fully upgrade the Town
Fully upgrade the Abbey
Complete the game on Stygian
Lose a hero to Wilbur
Complete the game within 99 Weeks
Complete the game with default difficulty options
Complete the game
Complete the game on Radiant
Lose all four heroes on a Darkest Dungeon quest
Start a Darkest Dungeon quest with four heroes of resolve level 0
Reach week 104
Kill all bosses
Kill Squiffy Ghast, Swine Skiver, Bone Bearer and Hateful Virago
Party wipe on a boss
Kill the Shrieker
Fully upgrade at least four of a hero's skills
Fully upgrade a hero's weapons and armor
Defeat the brigand Vvulf
Fully upgrade the Guild
Fully upgrade the Blacksmith
Complete a long quest
First party wipe
Have a character survive 5 attacks at Death's Door in a single combat
Lose a Legendary (Level 6) hero
Reach week 52
Slay a Shambler
Slay 1000 enemies
Start a quest with all four heroes of Resolve Level 6
Raise 4 heroes to Resolve Level 6
Learn a new Camping skill
Collect at least 20,000 gold from a single quest
Raise a hero to Resolve Level 6
Lock a positive Quirk in the Sanitarium
Walk 500 steps with one hero
Complete 25 quests
Lose your first hero to heart attack
Dismiss your first hero
Abandon a quest
Defeat 100 Beast enemies
Defeat 100 Eldritch enemies
Defeat 100 Human enemies
Defeat 100 Unholy enemies
Complete a quest in all four regions
Complete 10 quests
Slay your first boss
Complete a dungeon with all 4 heroes afflicted
Kill any boss with a party of four afflicted heroes
Kill 50 enemies with one hero
Have one of each class on your roster
Remove a Quirk in the Sanitarium
Upgrade a Combat skill
Collect at least 30 heirlooms from a single quest
Complete a medium quest
Lose your first hero
Treat a hero in the Tavern
Treat a hero in the Abbey
Complete a quest
Visit the Graveyard
Reach the Estate
Build The Red Hook
Lose a hero to Wasting Away from the Curse
Have your entire roster affected by the crimson curse
Kill an ally while under the Curse
Defeat the Countess
Defeat the Viscount
Defeat the Fanatic
Collect your first Trinket Set
Defeat the Baron
Build your first district building
Collect The Invitation
Contract the Crimson Curse via contagion
Rescue someone
Recruit a flagellant
Get infected by the Crimson Curse
Collect All of Color of Madness Trinkets
Lose a Hero Equipped with the Miller's Pipe
Reach Death's Door From Farmhand's Riposte
Build the Windmill
Fight Every Wondering Boss in Endless
Get 300 Kills
Lose a Hero Equipped with the Coat of Many Colors
Earn 200 Shards In One Endless Run
Get 200 Kills
Get 100 Kills
Defeat the Sleeper With 2 Afflicted, 2 Virtuous Heroes
Defeat the Sleeper
All 4 Heroes Dodge the Miller's Reaping
Kill the Sleeper's Herald With a Riposte
Defeat the Thing From The Stars
Gain the Refracted Affliction
Acquire Mildred's Locket Trinket
Defeat the Miller
Use The Shard Dust Provision
Complete The First Farmstead Quest
Reach the max Prestige level in the Butcher's Circus
Have a hero survive 5 death's door checks in a single match
Have a single hero survive 4 heart attacks in a single match
Win 100 matches in the Butcher's Circus
Kill 600 enemies in the Butcher's Circus
Kill each hero class in the Butcher's Circus
Win a match in the dueling grounds
Have a single hero deal deathblows to 4 enemies in a single match
Kill an enemy hero in the first round of a match
Win a match using ONLY stress against your enemies
Cause 150 heart attacks in the Butcher's Circus
Win a match without using any trinkets
Win any 10 matches without losing any heroes
Daze 10 enemies in the Butcher's Circus
Cause an enemy hero to have a heart attack
Play your first match in the Butcher's Circus