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 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)
Sneak Kill an enemy after hitting them with a bottle.
Outrun a gigantic threat in the city.
End a monstrosity in the underground garage.
Kill 200 enemies.
Escape the Keeper beneath the catacombs.
Take out both guardians before the church.
Kill 5 enemies with a torch.
Finish off a shrieking beast.
Kill 3 living enemies with one drop of a match.
That vision in the hospice... why here? Why now? (Ch. 4)
Defeat the Sadist within the village.
Kill 30 enemies.
Kill 5 enemies in a row with a sneak kill without being discovered.
Complete the game on Nightmare difficulty.
Collect every collectable in the game.
Open up all the lockers in the save room.
Fully upgrade all of Sebastian's attributes.
Completely upgrade one weapon.
Completely upgrade three weapons.
Completely upgrade all weapons.
Upgrade all options in the Stock menu.
Use a secret explosive weapon to kill 10 enemies. (Agony Bolt effects negate results)
Kill 5 enemies with each type of Agony Bolt.
Kill 400 enemies.
Kill 25 enemies with melee attacks.
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.
Have they lost their minds? Better get past them without a fight. (Ch.2)
His engine roars, but my knife is strong enough to take him out. (Ch.3)
The water's rising, but we'll get out of this without a scratch. (Ch. 5)
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)
This cave echoes like crazy. Better put the gun away and keep quiet. (Ch. 8)
Enough running! I'll burn her to the ground right here! (Ch. 10)
I'm not taking any chances, this bus can't take much more damage. (Ch. 12)
Clear Chapter 2, "Crossing Paths."
Use a single trap to kill two or more enemies in The Assignment. (Ch. 2)
Collect all Personnel Files in The Assignment.
Clear Chapter 1, "An Oath."
Lure an enemy with a phone call and lock them in a room. (Ch. 1)
Survive the duel without using any electronic devices in the environment. (Ch. 2)
Get a Cadaver to grab and kill a Haunted. (Ch. 2)
Collect all Research Documents in The Assignment.
Complete the hidden letter in The Assignment.
Clear The Assignment in KURAYAMI Mode.
Collect all Daughter's Diaries in The Executioner.
Clear the basement of the manor house in The Executioner.
Clear the first and second floors of the manor house in The Executioner.
Use Executions on 20 basic Haunted.
Complete all Torments.
Purchase all items in the Shop.
Kill 10 basic Haunted with the chainsaw.
Kill 10 basic Haunted with environmental traps in The Executioner.
Clear The Executioner without taking any damage.
Get payback on the cop who took down your predecessor.
Clear Chapter 4, "A Ghost is Born."
Defeat Ruvik before the final showdown in The Consequence. (Ch. 4)
Complete the hidden letter in The Consequence.
Collect all Personnel Files in The Consequence.
Save Sebastian's life in the hotel. (Ch. 4)
Clear Chapter 3, "Illusions."
Turn on the generator using no more than 10 chemical lights. (Ch. 3)
Get through the hotel without being spotted or killing any enemies. (Ch. 4)
Collect all Research Documents in The Consequence.
Clear The Consequence in KURAYAMI Mode.