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 Survival difficulty.
Finished the game without upgrading any skills with green gel.
Finished the game with a clear time of under 5:00:00.
Defeated Laura before riding the elevator in Chapter 10.
Finished Chapter 8 without firing a single weapon.
Completely upgraded all weapons.
Escaped from the Catacombs killing only 2 Keepers in Chapter 7.
Completely upgraded three weapons.
Opened the gate to the village without killing a single enemy in Chapter 2.
Rescued Kidman without Joseph taking any damage in Chapter 5.
Saved Joseph from falling off a ledge in Chapter 6.
Killed 25 enemies with melee attacks.
Killed 5 enemies with each type of Agony Bolt.
Killed 5 enemies in a row with a sneak kill without being discovered.
Fully upgraded all of Sebastian's attributes.
Opened up all the lockers in the save room.
Killed 10 enemies using the Rocket Launcher.
Killed 400 enemies.
Collected every collectable in the game.
Completed the game on Casual difficulty.
Defeated the ultimate evil within.
Killed 5 enemies with a torch.
Removed an invisible enemy from the equation.
Powered up all electrical equipment simultaneously in the subway in Chapter 14.
Upgraded all options in the Stock menu.
Drove down the highway without hitting a single enemy in Chapter 12.
Outran a gigantic threat in the city.
Killed 200 enemies.
Ended a monstrosity in the underground garage.
Completely upgraded one weapon.
Killed 3 living enemies with one drop of a match.
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.
Took out the Sadist with a sneak kill in Chapter 3.
Sneak Killed an enemy after hitting them with a bottle.
Complete the game on Nightmare difficulty
Finish the game on 悪夢(AKUMU) mode.
Cleared Chapter 2, "Crossing Paths."
Completed the hidden letter in The Assignment.
Got a Cadaver to grab and kill a Haunted. (Ch. 2)
Collected all Research Documents in The Assignment.
Collected all Personnel Files in The Assignment.
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 1, "An Oath."
Lured an enemy with a phone call and locked them in a room. (Ch. 1)
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 Research Documents in The Consequence.
Completed the hidden letter in The Consequence.
Collected all Personnel Files in The Consequence.
Got through the hotel without being spotted or killing any enemies. (Ch. 4)
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)
Clear The Consequence in KURAYAMI Mode.
Cleared The Executioner without taking any damage.
Purchased all items in the Shop.
Completed all Torments.
Killed 10 basic Haunted with the chainsaw.
Killed 10 basic Haunted with environmental traps in The Executioner.
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.
Cleared the first and second floors of the manor house in The Executioner.
Used Executions on 20 basic Haunted.