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.
Avoided unnecessary bloodshed outside City Hall. (Ch. 5)
Completely upgraded all abilities.
Upgraded one of your Warden Crossbow bolts to max level.
Opted for a cinematic experience.
Crafted every type of item at least once.
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.
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.
Opened 16 lockers.
Killed 3 enemies using upgraded Smoke Bolts.
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.
Used every Coffee Maker at least once.
Survived an ordeal with the help of a new friend.
Stomped and killed 15 fallen enemies.
Upgraded a weapon to Level 3.
Shut down a bloody performance.
Killed 2 or more enemies at once using oil on the ground.
Found a potential ally in The Marrow.
Collected 20 files.
Defeated the Guardian outside City Hall.
Used your first Red Gel.
Saw a chilling vision.
Stunned an enemy standing in water using a Shock Bolt.
Used your first High-Grade Weapon Parts.
Completed the "Rogue Signal" side mission.
Killed 60 enemies.
Killed 30 enemies.
Killed an enemy using an Ambush.
Killed 10 enemies using Sneak Kills.
Acquired the Warden Crossbow.
Crafted something for the first time.
Took the plunge back into STEM.
Completed the game in Classic Mode.
Completely upgraded all weapons.
Opened all lockers.
Collected all of the Mysterious Objects.
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)