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.
Finish the game with a clear time of under 5:00:00
Complete the game on Nightmare difficulty.
Finish the game on 悪夢(AKUMU) mode.
Sneak Kill an enemy after hitting them with a bottle.
Use a secret explosive weapon to kill 10 enemies. (Agony Bolt effects negate results)
Kill 5 enemies with each type of Agony Bolt.
I'm not taking any chances, this bus can't take much more damage. (Ch. 12)
Upgrade all options in the Stock menu.
Completely upgrade all weapons.
Completely upgrade three weapons.
This cave echoes like crazy. Better put the gun away and keep quiet. (Ch. 8)
It won't stay dead! Better only fight when I have to. (Ch. 7)
Who wouldn't reach out for a man clinging for his life? (Ch. 6)
Kill 400 enemies.
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)
Completely upgrade one weapon.
Kill 5 enemies in a row with a sneak kill without being discovered.
Fully upgrade all of Sebastian's attributes.
Collect every collectable in the game.
Have they lost their minds? Better get past them without a fight. (Ch.2)
Open up all the lockers in the save room.
Defeat the ultimate evil within.
Complete the game on Casual difficulty.
Complete the game on Survival difficulty.
Finish the game without upgrading any skills with green gel.
Remove an invisible enemy from the equation.
I should get this whole generator panel running just in case. (Ch. 14)
Outrun a gigantic threat in the city.
Kill 200 enemies.
End a monstrosity in the underground garage.
Enough running! I'll burn her to the ground right here! (Ch. 10)
Escape the Keeper beneath the catacombs.
Take out both guardians before the church.
Kill 25 enemies with melee attacks.
Finish off a shrieking beast.
Kill 5 enemies with a torch.
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.
Clear The Assignment in KURAYAMI Mode.
Clear Chapter 2, "Crossing Paths."
Complete the hidden letter in The Assignment.
Get a Cadaver to grab and kill a Haunted. (Ch. 2)
Collect all Research Documents in The Assignment.
Collect all Personnel Files 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 1, "An Oath."
Lure an enemy with a phone call and lock them in a room. (Ch. 1)
Clear The Executioner without taking any damage.
Purchase all items in the Shop.
Complete all Torments.
Get payback on the cop who took down your predecessor.
Kill 10 basic Haunted with the chainsaw.
Kill 10 basic Haunted with environmental traps in The Executioner.
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.
Clear The Consequence in KURAYAMI Mode.
Clear Chapter 4, "A Ghost is Born."
Defeat Ruvik before the final showdown in The Consequence. (Ch. 4)
Collect all Research Documents in The Consequence.
Complete the hidden letter in The Consequence.
Collect all Personnel Files in The Consequence.
Get through the hotel without being spotted or killing any enemies. (Ch. 4)
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)