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