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.
This cave echoes like crazy. Better put the gun away and keep quiet. (Ch. 8)
Kill 25 enemies with melee attacks.
Kill 5 enemies with each type of Agony Bolt.
Use a secret explosive weapon to kill 10 enemies. (Agony Bolt effects negate results)
Collect every collectable in the game.
Completely upgrade all weapons.
Open up all the lockers in the save room.
I'm not taking any chances, this bus can't take much more damage. (Ch. 12)
Completely upgrade three weapons.
Enough running! I'll burn her to the ground right here! (Ch. 10)
Upgrade all options in the Stock menu.
Fully upgrade all of Sebastian's attributes.
Who wouldn't reach out for a man clinging for his life? (Ch. 6)
The water's rising, but we'll get out of this without a scratch. (Ch. 5)
Complete the game on Nightmare difficulty.
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.
It won't stay dead! Better only fight when I have to. (Ch. 7)
Have they lost their minds? Better get past them without a fight. (Ch.2)
Kill 3 living enemies with one drop of a match.
His engine roars, but my knife is strong enough to take him out. (Ch.3)
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.
Remove an invisible enemy from the equation.
I should get this whole generator panel running just in case. (Ch. 14)
Kill 400 enemies.
Outrun a gigantic threat in the city.
End a monstrosity in the underground garage.
Kill 200 enemies.
Completely upgrade one weapon.
Escape the Keeper beneath the catacombs.
Take out both guardians before the church.
Finish off a shrieking beast.
Kill 5 enemies with a torch.
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.
Clear The Assignment in KURAYAMI Mode.
Get a Cadaver to grab and kill a Haunted. (Ch. 2)
Collect all Research Documents in The Assignment.
Survive the duel without using any electronic devices in the environment. (Ch. 2)
Complete the hidden letter in The Assignment.
Collect all Personnel Files in The Assignment.
Clear Chapter 2, "Crossing Paths."
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)
Purchase all items in the Shop.
Complete all Torments.
Clear The Executioner without taking any damage.
Kill 10 basic Haunted with environmental traps in The Executioner.
Get payback on the cop who took down your predecessor.
Kill 10 basic Haunted with the chainsaw.
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.
Turn on the generator using no more than 10 chemical lights. (Ch. 3)
Save Sebastian's life in the hotel. (Ch. 4)
Defeat Ruvik before the final showdown in The Consequence. (Ch. 4)
Collect all Research Documents in The Consequence.
Get through the hotel without being spotted or killing any enemies. (Ch. 4)
Collect all Personnel Files in The Consequence.
Clear Chapter 4, "A Ghost is Born."
Complete the hidden letter in The Consequence.
Clear Chapter 3, "Illusions."