Complete the game on the hardest difficulty setting.
Unlocked: 20 Dec 2015 19:59:31
Complete the game without harvesting any Little Sisters.
Unlocked: 20 Dec 2015 19:49:08
The player has defeated Atlas
Unlocked: 20 Dec 2015 19:48:28
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
Unlocked: 20 Dec 2015 19:18:48
The player has become a Big Daddy.
Unlocked: 20 Dec 2015 19:05:51
Historian
50Find every audio diary.
Unlocked: 20 Dec 2015 19:02:55
Either Harvest or Rescue every Little Sister in the game
Unlocked: 20 Dec 2015 18:54:33
Acquire all upgrades for all weapons.
Unlocked: 20 Dec 2015 18:49:07
Successfully invent at least 100 items.
Unlocked: 20 Dec 2015 18:39:13
Fully upgrade five weapons.
Unlocked: 20 Dec 2015 17:38:07
Purchased every slot in all four Plasmid and Tonic tracks
Unlocked: 20 Dec 2015 17:30:29
The player has broken Fontaine's mind control
Unlocked: 20 Dec 2015 17:23:28
Successfully invented all possible ammo types.
Unlocked: 20 Dec 2015 10:34:20
The player has entered Sander Cohen's personal quarters.
Unlocked: 20 Dec 2015 10:16:43
Fully upgrade four weapons.
Unlocked: 20 Dec 2015 10:03:32
The player has defeated Andrew Ryan
Unlocked: 20 Dec 2015 09:22:09
Fully research the Little Sister.
Unlocked: 20 Dec 2015 07:56:56
Research PhD
20Max out all possible research.
Unlocked: 20 Dec 2015 07:56:56
Fully upgrade three weapons.
Unlocked: 20 Dec 2015 07:38:04
The player has taken a picture of Sander Cohen's corpse
Unlocked: 20 Dec 2015 06:26:14
The player has completed Sander Cohen's great masterpiece
Unlocked: 20 Dec 2015 05:53:09
Fully research the Bouncer.
Unlocked: 20 Dec 2015 05:13:22
Fully upgrade two weapons.
Unlocked: 20 Dec 2015 04:24:35
Fully research the Spider Splicer.
Unlocked: 20 Dec 2015 04:12:31
Lucky Winner
10Hit the jackpot at a slot machine
Unlocked: 20 Dec 2015 03:31:17
The player has restored the forests of Arcadia
Unlocked: 20 Dec 2015 03:10:52
Successfully invent at least one item.
Unlocked: 20 Dec 2015 03:03:03
Fully research the Rosie.
Unlocked: 19 Dec 2015 18:08:36
Fully upgrade one weapon.
Unlocked: 19 Dec 2015 13:14:03
Fully research the Houdini Splicer.
Unlocked: 19 Dec 2015 12:30:00
Purchased every slot in one of the Plasmid or Tonic tracks
Unlocked: 19 Dec 2015 12:08:28
Fully research the Thuggish Splicer.
Unlocked: 19 Dec 2015 07:43:16
Take at least one photo in every research group.
Unlocked: 19 Dec 2015 07:39:36
Acquire at least one weapon upgrade.
Unlocked: 19 Dec 2015 07:24:28
Successfully complete 50 hacks.
Unlocked: 19 Dec 2015 07:22:57
The player has defeated Peach Wilkins
Unlocked: 19 Dec 2015 07:18:03
Fully research the Nitro Splicer.
Unlocked: 19 Dec 2015 06:12:38
Fully research the Leadhead Splicer.
Unlocked: 19 Dec 2015 05:46:08
Take a Research Photo of the highest grade.
Unlocked: 19 Dec 2015 05:04:01
Take at least one Research Photo of a Splicer.
Unlocked: 19 Dec 2015 05:03:16
Purchase one slot in any Plasmid or Tonic track
Unlocked: 19 Dec 2015 04:43:29
The player has defeated the crazed Dr. Steinman
Unlocked: 19 Dec 2015 00:25:56
Successfully hack a safe.
Unlocked: 19 Dec 2015 00:23:42
Successfully hack a security camera.
Unlocked: 18 Dec 2015 23:48:28
Successfully hack a turret.
Unlocked: 18 Dec 2015 23:27:22
Successfully hack a vending machine.
Unlocked: 18 Dec 2015 23:09:38
Successfully hack a security bot.
Unlocked: 18 Dec 2015 23:07:27
Perform at least one successful hack.
Unlocked: 18 Dec 2015 23:07:26
Successfully complete the Welcome To Rapture Level.
Unlocked: 18 Dec 2015 21:09:27
Shock an enemy in the water.
Unlocked: 18 Dec 2015 20:45:48