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