Here is the full list of all 51 The Evil Within 2 achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Crafted every type of item at least once.
Opted for a cinematic experience.
Completed the game on Casual difficulty or higher.
Collected all of the Mysterious Objects.
Did what needed to be done to save your daughter.
Observed all Residual Memories.
Reached the very end of the world.
Opened all lockers.
Your trauma is no more.
Brought your own equipment to the barbecue this time. (Ch. 14)
Collected all files.
Made it inside the enemy's stronghold.
Talked to Kidman about all of the photographic slides.
Completed the "The Last Step" side mission.
Came to terms with your past and present.
Provided a Harbinger sweet release.
Stopped a true believer from playing with his favorite toy. (Ch. 11)
Experienced every traumatic encounter and made peace with your inner demons.
Used every Coffee Maker at least once.
Survived an ordeal with the help of a new friend.
Killed 2 or more enemies at once using a hanging lamp. (Ch. 9)
Shut down a bloody performance.
Used your first Red Gel.
Opened 16 lockers.
Killed 10 enemies using Sneak Kills.
Killed 2 or more enemies at once using oil on the ground.
Upgraded a weapon to Level 3.
Found a potential ally in The Marrow.
Collected 20 files.
Avoided unnecessary bloodshed outside City Hall. (Ch. 5)
Saw a chilling vision.
Used your first High-Grade Weapon Parts.
Killed 60 enemies.
Completed the "Rogue Signal" side mission.
Crafted something for the first time.
Killed 30 enemies.
Stunned an enemy standing in water using a Shock Bolt.
Acquired the Warden Crossbow.
Took the plunge back into STEM.
Completed the game on Survival difficulty or higher.
Completed the game on Nightmare difficulty or higher.
Completed the game in Classic Mode.
Defeated the Guardian outside City Hall.
Completely upgraded all abilities.
Upgraded one of your Warden Crossbow bolts to max level.
Completely upgraded all weapons.
Acquired all standard weapons.
Killed 3 enemies using upgraded Smoke Bolts.
Killed an enemy using an Ambush.
Stomped and killed 15 fallen enemies.
Reminisced about every moment from your past. (Ch. 12)