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
I'm not taking any chances, this bus can't take much more damage. (Ch. 12)
Complete the game on Nightmare difficulty.
This cave echoes like crazy. Better put the gun away and keep quiet. (Ch. 8)
The water's rising, but we'll get out of this without a scratch. (Ch. 5)
Upgrade all options in the Stock menu.
Completely upgrade three weapons.
Have they lost their minds? Better get past them without a fight. (Ch.2)
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.
Sneak Kill an enemy after hitting them with a bottle.
Complete the game on Casual difficulty.
Complete the game on Survival difficulty.
Defeat the ultimate evil within.
Kill 400 enemies.
Completely upgrade one weapon.
I should get this whole generator panel running just in case. (Ch. 14)
Remove an invisible enemy from the equation.
Outrun a gigantic threat in the city.
Fully upgrade all of Sebastian's attributes.
End a monstrosity in the underground garage.
Enough running! I'll burn her to the ground right here! (Ch. 10)
Kill 25 enemies with melee attacks.
Kill 5 enemies with each type of Agony Bolt.
Kill 200 enemies.
It won't stay dead! Better only fight when I have to. (Ch. 7)
Escape the Keeper beneath the catacombs.
Take out both guardians before the church.
Who wouldn't reach out for a man clinging for his life? (Ch. 6)
Finish off a shrieking beast.
That vision in the hospice... why here? Why now? (Ch. 4)
Defeat the Sadist within the village.
His engine roars, but my knife is strong enough to take him out. (Ch.3)
Kill 5 enemies with a torch.
Kill 30 enemies.
Kill 3 living enemies with one drop of a match.
Collect every collectable in the game.
Open up all the lockers in the save room.
Completely upgrade all weapons.
Finish the game without upgrading any skills with green gel.
Finish the game on 悪夢(AKUMU) 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 Assignment in KURAYAMI Mode.
Clear the basement of the manor house in The Executioner.
Kill 10 basic Haunted with environmental traps in The Executioner.
Clear the first and second floors of the manor house in The Executioner.
Use Executions on 20 basic Haunted.
Kill 10 basic Haunted with the chainsaw.
Collect all Daughter's Diaries in The Executioner.
Complete all Torments.
Purchase all items in the Shop.
Clear The Executioner without taking any damage.
Get payback on the cop who took down your predecessor.
Clear Chapter 4, "A Ghost is Born."
Collect all Research Documents in The Consequence.
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)
Defeat Ruvik before the final showdown in The Consequence. (Ch. 4)
Clear The Consequence in KURAYAMI Mode.