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.
Completed the game on Casual difficulty.
Completed the game on Survival difficulty.
Defeated the ultimate evil within.
Removed an invisible enemy from the equation.
Powered up all electrical equipment simultaneously in the subway in Chapter 14.
Drove down the highway without hitting a single enemy in Chapter 12.
Outran a gigantic threat in the city.
Completely upgraded one weapon.
Killed 200 enemies.
Killed 3 living enemies with one drop of a match.
Ended a monstrosity in the underground garage.
Finished Chapter 8 without firing a single weapon.
Escaped from the Catacombs killing only 2 Keepers in Chapter 7.
Escaped the Keeper beneath the catacombs.
Took out both guardians before the church.
Saved Joseph from falling off a ledge in Chapter 6.
Killed 5 enemies with a torch.
Finished off a shrieking beast.
Killed 30 enemies.
Experienced the vision in the Hospice in Chapter 4.
Defeated the Sadist within the village.
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 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 5 enemies in a row with a sneak kill without being discovered.
Kill 400 enemies.
Kill 25 enemies with melee attacks.
Sneak Kill an enemy after hitting them with a bottle.
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)
Enough running! I'll burn her to the ground right here! (Ch. 10)
Cleared Chapter 2, "Crossing Paths."
Got a Cadaver to grab and kill a Haunted. (Ch. 2)
Cleared Chapter 1, "An Oath."
Lured an enemy with a phone call and locked them in a room. (Ch. 1)
Use a single trap to kill two or more enemies in The Assignment. (Ch. 2)
Survive the duel without using any electronic devices in the environment. (Ch. 2)
Collect all Research Documents in The Assignment.
Collect all Personnel Files in The Assignment.
Complete the hidden letter in The Assignment.
Clear The Assignment in KURAYAMI Mode.
Cleared Chapter 4, "A Ghost is Born."
Didn't really Defeat Ruvik before the final showdown. (Ch. 4)
Collected all Personnel Files in The Consequence.
Saved Sebastian's life in the hotel. (Ch. 4)
Cleared Chapter 3, "Illusions."
Turned 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.
Complete the hidden letter in The Consequence.
Clear The Consequence in KURAYAMI Mode.
Killed 10 basic Haunted with the chainsaw.
Collect all Daughter's Diaries in The Executioner.
Complete all Torments.
Purchase all items in the Shop.
Kill 10 basic Haunted with environmental traps in The Executioner.
Use Executions on 20 basic Haunted.
Clear the first and second floors of the manor house in The Executioner.
Clear the basement of the manor house in The Executioner.
Clear The Executioner without taking any damage.
Get payback on the cop who took down your predecessor.