Successfully invent at least 100 items.
Unlocked: 08 Apr 2016 04:44:04
Complete the game on the hardest difficulty setting.
Unlocked: 08 Apr 2016 04:24:58
Complete the game without harvesting any Little Sisters.
Unlocked: 08 Apr 2016 04:19:40
The player has defeated Atlas
Unlocked: 08 Apr 2016 04:19:06
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
Unlocked: 08 Apr 2016 03:34:36
Purchased every slot in all four Plasmid and Tonic tracks
Unlocked: 08 Apr 2016 03:31:11
The player has become a Big Daddy.
Unlocked: 08 Apr 2016 03:08:46
Acquire all upgrades for all weapons.
Unlocked: 08 Apr 2016 03:06:50
Historian
50Find every audio diary.
Unlocked: 08 Apr 2016 02:59:42
Either Harvest or Rescue every Little Sister in the game
Unlocked: 08 Apr 2016 02:56:48
Fully upgrade five weapons.
Unlocked: 08 Apr 2016 02:09:43
The player has broken Fontaine's mind control
Unlocked: 08 Apr 2016 01:53:50
The player has entered Sander Cohen's personal quarters.
Unlocked: 08 Apr 2016 00:33:06
Fully upgrade four weapons.
Unlocked: 08 Apr 2016 00:21:49
Fully research the Rosie.
Unlocked: 08 Apr 2016 00:15:02
Research PhD
20Max out all possible research.
Unlocked: 08 Apr 2016 00:15:02
The player has defeated Andrew Ryan
Unlocked: 08 Apr 2016 00:04:55
Fully research the Bouncer.
Unlocked: 07 Apr 2016 20:03:40
Fully upgrade three weapons.
Unlocked: 07 Apr 2016 20:00:18
Successfully invented all possible ammo types.
Unlocked: 07 Apr 2016 18:20:08
The player has taken a picture of Sander Cohen's corpse
Unlocked: 07 Apr 2016 18:17:59
The player has completed Sander Cohen's great masterpiece
Unlocked: 07 Apr 2016 18:16:48
Fully research the Little Sister.
Unlocked: 07 Apr 2016 18:02:20
Purchased every slot in one of the Plasmid or Tonic tracks
Unlocked: 07 Apr 2016 17:55:56
Take at least one photo in every research group.
Unlocked: 07 Apr 2016 17:53:46
Fully upgrade two weapons.
Unlocked: 07 Apr 2016 17:41:26
Lucky Winner
10Hit the jackpot at a slot machine
Unlocked: 07 Apr 2016 17:04:04
The player has restored the forests of Arcadia
Unlocked: 07 Apr 2016 16:59:48
Successfully complete 50 hacks.
Unlocked: 07 Apr 2016 16:34:49
Fully research the Houdini Splicer.
Unlocked: 07 Apr 2016 16:23:27
Fully upgrade one weapon.
Unlocked: 07 Apr 2016 16:22:59
Fully research the Thuggish Splicer.
Unlocked: 07 Apr 2016 16:09:39
Purchase one slot in any Plasmid or Tonic track
Unlocked: 07 Apr 2016 16:02:47
Successfully invent at least one item.
Unlocked: 07 Apr 2016 16:00:05
Fully research the Spider Splicer.
Unlocked: 07 Apr 2016 15:51:25
Acquire at least one weapon upgrade.
Unlocked: 07 Apr 2016 14:40:54
The player has defeated Peach Wilkins
Unlocked: 07 Apr 2016 14:39:37
Fully research the Nitro Splicer.
Unlocked: 07 Apr 2016 14:39:23
Fully research the Leadhead Splicer.
Unlocked: 07 Apr 2016 14:15:51
Take at least one Research Photo of a Splicer.
Unlocked: 07 Apr 2016 14:00:55
Take a Research Photo of the highest grade.
Unlocked: 07 Apr 2016 14:00:54
The player has defeated the crazed Dr. Steinman
Unlocked: 07 Apr 2016 12:36:05
Successfully hack a safe.
Unlocked: 07 Apr 2016 12:22:17
Successfully hack a security camera.
Unlocked: 07 Apr 2016 12:15:28
Successfully hack a turret.
Unlocked: 07 Apr 2016 10:49:25
Successfully hack a vending machine.
Unlocked: 07 Apr 2016 10:45:38
Perform at least one successful hack.
Unlocked: 07 Apr 2016 10:44:55
Successfully hack a security bot.
Unlocked: 07 Apr 2016 10:44:55
Successfully complete the Welcome To Rapture Level.
Unlocked: 07 Apr 2016 10:42:08
Shock an enemy in the water.
Unlocked: 07 Apr 2016 10:33:53