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 with a clear time of under 5:00:00.
Finished the game without upgrading any skills with green gel.
Opened up all the lockers in the save room.
Collected every collectable in the game.
Completely upgraded all weapons.
Defeated Laura before riding the elevator in Chapter 10.
Finished Chapter 8 without firing a single weapon.
Fully upgraded all of Sebastian's attributes.
Killed 25 enemies with melee attacks.
Saved Joseph from falling off a ledge in Chapter 6.
Drove down the highway without hitting a single enemy in Chapter 12.
Opened the gate to the village without killing a single enemy in Chapter 2.
Rescued Kidman without Joseph taking any damage in Chapter 5.
Completely upgraded three weapons.
Killed 10 enemies using the Rocket Launcher.
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.
Killed 400 enemies.
Outran a gigantic threat in the city.
Upgraded all options in the Stock menu.
Ended a monstrosity in the underground garage.
Killed 200 enemies.
Killed 5 enemies in a row with a sneak kill without being discovered.
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.
Killed 5 enemies with a torch.
Experienced the vision in the Hospice in Chapter 4.
Killed 30 enemies.
Completely upgraded one weapon.
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
Kill 5 enemies with each type of Agony Bolt.
Finish the game on 悪夢(AKUMU) mode.
Cleared The Assignment in KURAYAMI Mode.
Collected all Personnel Files in The Assignment.
Collected all Research Documents in The Assignment.
Completed the hidden letter in The Assignment.
Cleared Chapter 2, "Crossing Paths."
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 1, "An Oath."
Lured an enemy with a phone call and locked them in a room. (Ch. 1)
Cleared The Consequence in KURAYAMI Mode.
Got through the hotel without being spotted or killing any enemies. (Ch. 4)
Collected all Personnel Files in The Consequence.
Completed the hidden letter in The Consequence.
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.
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)
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.
Complete all Torments.
Purchase all items in the Shop.
Clear The Executioner without taking any damage.