Complete the game on the hardest difficulty setting.
Unlocked: 23 Jan 2017 03:32:19
Complete the game without harvesting any Little Sisters.
Unlocked: 23 Jan 2017 03:24:59
The player has defeated Atlas
Unlocked: 23 Jan 2017 03:24:24
The player has become a Big Daddy.
Unlocked: 23 Jan 2017 03:02:58
Successfully invent at least 100 items.
Unlocked: 23 Jan 2017 02:59:24
Historian
50Find every audio diary.
Unlocked: 23 Jan 2017 02:55:46
Either Harvest or Rescue every Little Sister in the game
Unlocked: 23 Jan 2017 02:46:40
Acquire all upgrades for all weapons.
Unlocked: 23 Jan 2017 02:39:03
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
Unlocked: 23 Jan 2017 01:45:28
Fully upgrade five weapons.
Unlocked: 23 Jan 2017 01:44:21
The player has broken Fontaine's mind control
Unlocked: 23 Jan 2017 01:34:06
Successfully invented all possible ammo types.
Unlocked: 23 Jan 2017 01:10:57
The player has entered Sander Cohen's personal quarters.
Unlocked: 23 Jan 2017 01:07:17
The player has taken a picture of Sander Cohen's corpse
Unlocked: 23 Jan 2017 01:06:39
Fully upgrade four weapons.
Unlocked: 23 Jan 2017 00:59:42
Purchased every slot in all four Plasmid and Tonic tracks
Unlocked: 23 Jan 2017 00:54:40
Fully research the Rosie.
Unlocked: 23 Jan 2017 00:51:28
Research PhD
20Max out all possible research.
Unlocked: 23 Jan 2017 00:51:28
The player has defeated Andrew Ryan
Unlocked: 23 Jan 2017 00:43:34
Fully research the Little Sister.
Unlocked: 22 Jan 2017 23:59:13
Fully upgrade three weapons.
Unlocked: 22 Jan 2017 23:54:33
The player has completed Sander Cohen's great masterpiece
Unlocked: 22 Jan 2017 23:32:47
Fully research the Bouncer.
Unlocked: 22 Jan 2017 23:21:40
Take at least one photo in every research group.
Unlocked: 22 Jan 2017 21:00:54
Fully upgrade two weapons.
Unlocked: 22 Jan 2017 20:43:18
Fully research the Spider Splicer.
Unlocked: 22 Jan 2017 20:34:47
Lucky Winner
10Hit the jackpot at a slot machine
Unlocked: 22 Jan 2017 20:28:51
The player has restored the forests of Arcadia
Unlocked: 22 Jan 2017 20:24:03
Successfully invent at least one item.
Unlocked: 22 Jan 2017 20:16:10
Purchased every slot in one of the Plasmid or Tonic tracks
Unlocked: 22 Jan 2017 17:26:45
Fully research the Houdini Splicer.
Unlocked: 22 Jan 2017 16:53:42
Fully upgrade one weapon.
Unlocked: 22 Jan 2017 16:52:17
Fully research the Thuggish Splicer.
Unlocked: 22 Jan 2017 16:23:05
Acquire at least one weapon upgrade.
Unlocked: 22 Jan 2017 07:27:38
The player has defeated Peach Wilkins
Unlocked: 22 Jan 2017 07:25:27
Fully research the Nitro Splicer.
Unlocked: 22 Jan 2017 07:05:04
Successfully complete 50 hacks.
Unlocked: 22 Jan 2017 06:59:27
Fully research the Leadhead Splicer.
Unlocked: 22 Jan 2017 06:41:29
Take a Research Photo of the highest grade.
Unlocked: 22 Jan 2017 06:21:15
Take at least one Research Photo of a Splicer.
Unlocked: 22 Jan 2017 06:12:30
Purchase one slot in any Plasmid or Tonic track
Unlocked: 22 Jan 2017 05:17:14
The player has defeated the crazed Dr. Steinman
Unlocked: 22 Jan 2017 03:51:55
Successfully hack a safe.
Unlocked: 22 Jan 2017 03:32:00
Successfully hack a security camera.
Unlocked: 22 Jan 2017 03:06:56
Successfully hack a turret.
Unlocked: 22 Jan 2017 02:41:10
Successfully hack a vending machine.
Unlocked: 22 Jan 2017 02:33:29
Perform at least one successful hack.
Unlocked: 22 Jan 2017 02:32:05
Successfully hack a security bot.
Unlocked: 22 Jan 2017 02:32:05
Successfully complete the Welcome To Rapture Level.
Unlocked: 22 Jan 2017 02:29:21
Shock an enemy in the water.
Unlocked: 22 Jan 2017 02:20:36
Complete the game on Hard difficulty without using a Vita-Chamber
Unlocked: 23 Jan 2017 03:32:19