Full list of all 79 Darkest Dungeon II achievements.
The base game contains 65 achievements, and there is 1 DLC pack containing 14 achievements.
Play the game on the anniversary of release
Have a full roster of heroes with at least one memory each
Kill 100 Gentry
Complete Cowardice
Enter the Mountain with a full party and all positive relationships
Complete Ambition
Defeat a Shambler with Shambler's Spawn equipped
Kill 100 Fisherfolk
Complete Obsession
Land the killing blow on a lair boss from the Bounty Hunter
Hire the Bounty Hunter
Complete all heroes' entire backstory
Have a trophy, pet, and four stagecoach items equipped all at once
Treat a disease, remove a negative quirk, and lock-in a positive quirk at a single Field Hospital
Unlock 50% of the Altar of Hope
Kill 100 Cadavers
Kill 100 Fanatics
Defeat a Shambler
Kill 100 Creatures
Kill 100 Pillagers
Defeat Death
Complete Resentment
Clear the Sluice
Kill 100 Cosmic beings
Defeat 3 lair bosses in a single expedition
Clear the Shroud
Purchase an indelible trinket from the Hoarder
Defeat the lair boss found in the Shroud
Clear the Foetor
Defeat the lair boss found in the Foetor
Unlock 25% of the Altar of Hope
Defeat the lair boss found in the Sprawl
Kill 100 Gaunt
Master 5 skills on a single hero during an expedition
Apply a memory onto a hero
Complete Denial
Drive 1,000 leagues in the stagecoach
Complete any hero's entire backstory
Abandon an expedition
Find a replacement for a fallen hero
Unlock the Vestal
Unlock the Occultist
Unlock the Leper
Unlock the Hellion
Unlock the Runaway
Party wipe against any Confession endboss
Clear the Sprawl
Unlock the Jester
Unlock the Flagellant
Clear the Tangle
Defeat the lair boss found in the Tangle
Have a hero become resolute
Have a hero meltdown
Reach the first Inn
Apply 5 memories onto a single hero
Unlock 100% of the Altar of Hope
Defeat the Antiquarian
Kill 100 Swine
Party wipe against each Confession endboss
Drive 20,000 leagues in the stagecoach
Lose a hero who was full of memories
Visit every Inn
Enter the Mountain with a full party and all negative relationships
Defeat all 5 Confessions with the same four heroes without any of them dying
Defeat the final boss with the Stygian Blaze equipped
Complete the Crusader's backstory
Complete an expedition with The Usual Suspects
Have the Highwayman and the Crusader form a positive relationship
Complete The Lost Crusade
Complete the Duelist's backstory
Land a Riposte with Man-at-Arms, Highwayman, and Duelist in a single fight
Land the killing blow on a lair boss with The Boot from the Duelist
Deal 20 damage with a Riposte skill from the Duelist
Apply 5 memories onto the Duelist
Apply 5 memories onto the Crusader