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