Full list of all 71 The Evil Within achievements worth 1,735 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 41 achievements worth 1,000 Gamerscore, and there are 3 DLC packs containing 30 achievements worth 735 Gamerscore.
Achievements they've won
Achievements they've not won
Complete the game on Nightmare difficulty
Finish the game on 悪夢(AKUMU) mode.
Completely upgrade all weapons.
Kill 5 enemies with each type of Agony Bolt.
The water's rising, but we'll get out of this without a scratch. (Ch. 5)
Use a secret explosive weapon to kill 10 enemies. (Agony Bolt effects negate results)
Completely upgrade three weapons.
Finish the game with a clear time of under 5:00:00.
Kill 400 enemies.
Kill 25 enemies with melee attacks.
Upgrade all options in the Stock menu.
Fully upgrade all of Sebastian's attributes.
Collect every collectable in the game.
Complete the game on Casual difficulty.
Complete the game on Survival difficulty.
Finish the game without upgrading any skills with green gel.
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.
I'm not taking any chances, this bus can't take much more damage. (Ch. 12)
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)
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)
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)
Completely upgrade one weapon.
Finish off a shrieking beast.
That vision in the hospice... why here? Why now? (Ch. 4)
Kill 30 enemies.
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)
Defeat the Sadist within the village.
Kill 5 enemies with a torch.
Sneak Kill an enemy after hitting them with a bottle.
Have they lost their minds? Better get past them without a fight. (Ch.2)
Kill 5 enemies in a row with a sneak kill without being discovered.
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 Consequence in KURAYAMI Mode.
Complete the hidden letter in The Consequence.
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.
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)
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.
Collect all Daughter's Diaries in The Executioner.
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.