Full list of all 71 The Evil Within achievements. It takes around 40-50 hours to unlock all of the achievements in the base game on Windows.
The base game contains 41 achievements, and there are 3 DLC packs containing 30 achievements.
Complete the game on Nightmare difficulty.
Collect every collectable in the game.
Kill 5 enemies with each type of Agony Bolt.
Finish the game with a clear time of under 5:00:00
Finish the game without upgrading any skills with green gel.
Finish the game on 悪夢(AKUMU) mode.
Use a secret explosive weapon to kill 10 enemies. (Agony Bolt effects negate results)
Kill 5 enemies in a row with a sneak kill without being discovered.
I'm not taking any chances, this bus can't take much more damage. (Ch. 12)
This cave echoes like crazy. Better put the gun away and keep quiet. (Ch. 8)
Who wouldn't reach out for a man clinging for his life? (Ch. 6)
It won't stay dead! Better only fight when I have to. (Ch. 7)
The water's rising, but we'll get out of this without a scratch. (Ch. 5)
His engine roars, but my knife is strong enough to take him out. (Ch.3)
Kill 25 enemies with melee attacks.
Kill 3 living enemies with one drop of a match.
Have they lost their minds? Better get past them without a fight. (Ch.2)
Enough running! I'll burn her to the ground right here! (Ch. 10)
Kill 400 enemies.
Complete the game on Casual difficulty.
Complete the game on Survival difficulty.
Defeat the ultimate evil within.
Remove an invisible enemy from the equation.
I should get this whole generator panel running just in case. (Ch. 14)
Open up all the lockers in the save room.
Outrun a gigantic threat in the city.
Upgrade all options in the Stock menu.
Completely upgrade all weapons.
Completely upgrade three weapons.
Completely upgrade one weapon.
Fully upgrade all of Sebastian's attributes.
Kill 200 enemies.
End a monstrosity in the underground garage.
Sneak Kill an enemy after hitting them with a bottle.
Escape the Keeper beneath the catacombs.
Take out both guardians before the church.
Kill 5 enemies with a torch.
Finish off a shrieking beast.
Defeat the Sadist within the village.
Kill 30 enemies.
That vision in the hospice... why here? Why now? (Ch. 4)
Clear The Assignment in KURAYAMI Mode.
Lure an enemy with a phone call and lock them in a room. (Ch. 1)
Collect all Research Documents in The Assignment.
Survive the duel without using any electronic devices in the environment. (Ch. 2)
Use a single trap to kill two or more enemies in The Assignment. (Ch. 2)
Clear Chapter 2, "Crossing Paths."
Collect all Personnel Files in The Assignment.
Complete the hidden letter in The Assignment.
Get a Cadaver to grab and kill a Haunted. (Ch. 2)
Clear Chapter 1, "An Oath."
Get payback on the cop who took down your predecessor.
Clear the basement of the manor house in The Executioner.
Collect all Daughter's Diaries in The Executioner.
Purchase all items in the Shop.
Complete all Torments.
Kill 10 basic Haunted with environmental traps in The Executioner.
Kill 10 basic Haunted with the chainsaw.
Clear The Executioner without taking any damage.
Use Executions on 20 basic Haunted.
Clear the first and second floors of the manor house in The Executioner.
Clear Chapter 4, "A Ghost is Born."
Complete the hidden letter in The Consequence.
Clear Chapter 3, "Illusions."
Defeat Ruvik before the final showdown in The Consequence. (Ch. 4)
Get through the hotel without being spotted or killing any enemies. (Ch. 4)
Collect all Research Documents in The Consequence.
Save Sebastian's life in the hotel. (Ch. 4)
Clear The Consequence in KURAYAMI Mode.
Turn on the generator using no more than 10 chemical lights. (Ch. 3)
Collect all Personnel Files in The Consequence.