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