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