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.
Finished the game without upgrading any skills with green gel.
Finished the game with a clear time of under 5:00:00.
Completed the game on Nightmare difficulty
Finished the game on 悪夢(AKUMU) mode.
Collected every collectable in the game.
Opened up all the lockers in the save room.
Completely upgraded all weapons.
Completely upgraded three weapons.
Completely upgraded one weapon.
Drove down the highway without hitting a single enemy in Chapter 12.
Upgraded all options in the Stock menu.
Killed 25 enemies with melee attacks.
Defeated Laura before riding the elevator in Chapter 10.
Killed 5 enemies with each type of Agony Bolt.
Saved Joseph from falling off a ledge in Chapter 6.
Rescued Kidman without Joseph taking any damage in Chapter 5.
Fully upgraded all of Sebastian's attributes.
Took out the Sadist with a sneak kill in Chapter 3.
Killed 400 enemies.
Sneak Killed an enemy after hitting them with a bottle.
Opened the gate to the village without killing a single enemy in Chapter 2.
Killed 10 enemies using the Rocket Launcher.
Killed 5 enemies in a row with a sneak kill without being discovered.
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.
Outran a gigantic threat in the city.
Killed 200 enemies.
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.
Killed 3 living enemies with one drop of a match.
Finished off a shrieking beast.
Experienced the vision in the Hospice in Chapter 4.
Defeated the Sadist within the village.
Killed 30 enemies.
Killed 5 enemies with a torch.
Cleared The Assignment in KURAYAMI Mode.
Completed the hidden letter in The Assignment.
Cleared Chapter 2, "Crossing Paths."
Got a Cadaver to grab and kill a Haunted. (Ch. 2)
Used a single trap to kill two or more enemies in The Assignment. (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)
Cleared Chapter 1, "An Oath."
Lured an enemy with a phone call and locked them in a room. (Ch. 1)
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.
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)
Clear The Consequence in KURAYAMI Mode.
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.
Killed 10 basic Haunted with the chainsaw.
Used Executions on 20 basic Haunted.
Complete all Torments.
Purchase all items in the Shop.
Kill 10 basic Haunted with environmental traps in The Executioner.
Clear The Executioner without taking any damage.
Get payback on the cop who took down your predecessor.