| Achievement | How to unlock
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|---|
| A Little Extra Kick to it | Upgraded one of your Warden Crossbow bolts to max level.
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| Against All Odds | Completed the game on Nightmare difficulty or higher.
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| All in the Family | Collected all of the Mysterious Objects.
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| Another Ally | Unknown.
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| Backup Ain't Coming | Completed the "Rogue Signal" side mission.
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| Bootable Offense | Stomped and killed 15 fallen enemies.
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| Caffeine Addict | Used every Coffee Maker at least once.
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| Chatting With Kidman | Talked to Kidman about all of the photographic slides.
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| Clearing a Path | Killed 60 enemies.
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| Crossing to the Other Side | Unknown.
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| Death From Above | Killed 2 or more enemies at once using a hanging lamp. (Ch. 9)
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| Diligent Reader | Collected all files.
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| DIY | Crafted something for the first time.
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| Doing Some Detecting | Collected 20 files.
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| Echoes Within STEM | Observed all Residual Memories.
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| Everything Comes Crumbling Down | Unknown.
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| Finally Free | Experienced every traumatic encounter and made peace with your inner demons.
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| Fire Walk With Me | Unknown.
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| Good to See You Again | Acquired the Warden Crossbow.
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| Half the Stash | Opened 16 lockers.
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| Handyman | Crafted every type of item at least once.
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| I Am The Night | Killed 10 enemies using Sneak Kills.
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| I'll Take You Down Myself | Brought your own equipment to the barbecue this time. (Ch. 14)
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| Kick, Shoot, Burn | Killed 2 or more enemies at once using oil on the ground.
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| Locksmith | Opened all lockers.
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| Making Things a Little Easier | Used your first High-Grade Weapon Parts.
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| Melancholy Memories | Reminisced about every moment from your past. (Ch. 12)
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| No More Playing With Fire | Stopped a true believer from playing with his favorite toy. (Ch. 11)
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| Not Running This Time | Unknown.
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| Now You're Playing with Power | Upgraded a weapon to Level 3.
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| Overcome the Past | Unknown.
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| Powerhouse | Acquired all standard weapons.
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| Premature Finale | Unknown.
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| Rookie | Completed the game on Casual difficulty or higher.
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| Shock Therapy | Stunned an enemy standing in water using a Shock Bolt.
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| Smoke Assassin | Killed 3 enemies using upgraded Smoke Bolts.
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| Sometimes Fighting Isn't the Answer | Avoided unnecessary bloodshed outside City Hall. (Ch. 5)
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| Spiritual Awakening | Unknown.
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| Stick it in My Veins | Completely upgraded all abilities.
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| Survivor | Completed the game on Survival difficulty or higher.
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| Sykes Out | Completed the "The Last Step" side mission.
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| Taken | Unknown.
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| That Cinematic Feel... | Unknown.
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| The Team Psychologist | Unknown.
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| They Never Even Stood A Chance | Completely upgraded all weapons.
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| Thinning Them Out | Killed 30 enemies.
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| Unfortunate Consequence | Unknown.
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| Wait For It... | Killed an enemy using an Ambush.
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| Welcome to Union | Unknown.
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| You Asked For It... Again | Unknown.
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| You Got Red in You | Used your first Red Gel.
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