Full list of all 71 The Evil Within achievements worth 1,710 gamerscore. It takes around 30-35 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 710 Gamerscore.
Saved Joseph from falling off a ledge in Chapter 6.
Finished the game without upgrading any skills with green gel.
Killed 10 enemies using the Rocket Launcher.
Finished the game on 悪夢(AKUMU) mode.
Collected every collectable in the game.
Finished the game with a clear time of under 5:00:00.
Drove down the highway without hitting a single enemy in Chapter 12.
Completed the game on Nightmare difficulty.
Completed the game on Survival difficulty.
Opened up all the lockers in the save room.
Completely upgraded all weapons.
Completely upgraded three weapons.
Took out the Sadist with a sneak kill in Chapter 3.
Fully upgraded all of Sebastian's attributes.
Defeated Laura before riding the elevator in Chapter 10.
Upgraded all options in the Stock menu.
Finished Chapter 8 without firing a single weapon.
Escaped from the Catacombs killing only 2 Keepers in Chapter 7.
Killed 5 enemies with each type of Agony Bolt.
Completely upgraded one weapon.
Killed 25 enemies with melee attacks.
Rescued Kidman without Joseph taking any damage in Chapter 5.
Opened the gate to the village without killing a single enemy in Chapter 2.
Killed 3 living enemies with one drop of a match.
Killed 5 enemies in a row with a sneak kill without being discovered.
Sneak Killed an enemy after hitting them with a bottle.
Killed 400 enemies.
Completed the game on Casual difficulty.
Defeated the ultimate evil within.
Powered up all electrical equipment simultaneously in the subway in Chapter 14.
Removed an invisible enemy from the equation.
Outran a gigantic threat in the city.
Ended a monstrosity in the underground garage.
Killed 200 enemies.
Killed 5 enemies with a torch.
Escaped the Keeper beneath the catacombs.
Took out both guardians before the church.
Finished off a shrieking beast.
Killed 30 enemies.
Experienced the vision in the Hospice in Chapter 4.
Defeated the Sadist within the village.
Cleared The Assignment in KURAYAMI Mode.
Got a Cadaver to grab and kill a Haunted. (Ch. 2)
Survived the duel without using any electronic devices in the environment. (Ch. 2)
Used a single trap to kill two or more enemies in The Assignment. (Ch. 2)
Cleared Chapter 2, "Crossing Paths."
Completed the hidden letter in The Assignment.
Collected all Research Documents in The Assignment.
Collected all Personnel Files in The Assignment.
Cleared Chapter 1, "An Oath."
Lured an enemy with a phone call and locked them in a room. (Ch. 1)
Cleared The Consequence in KURAYAMI Mode.
Didn't really Defeat Ruvik before the final showdown. (Ch. 4)
Got through the hotel without being spotted or killing any enemies. (Ch. 4)
Completed the hidden letter in The Consequence.
Cleared Chapter 4, "A Ghost is Born."
Collected all Research Documents in The Consequence.
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)
Cleared The Executioner without taking any damage.
Purchased all items in the Shop.
Completed all Torments.
Got payback on the cop who took down your predecessor.
Collected all Daughter's Diaries in The Executioner.
Cleared the basement of the manor house in The Executioner.
Killed 10 basic Haunted with environmental traps in The Executioner.
Cleared the first and second floors of the manor house in The Executioner.
Killed 10 basic Haunted with the chainsaw.
Used Executions on 20 basic Haunted.