Complete the game without harvesting any Little Sisters.
Unlocked: 12 May 2014 18:24:55
Complete the game on the hardest difficulty setting.
Unlocked: 12 May 2014 18:24:55
The player has defeated Atlas
Unlocked: 12 May 2014 18:24:20
Historian
50Find every audio diary.
Unlocked: 12 May 2014 18:05:23
Successfully invent at least 100 items.
Unlocked: 12 May 2014 18:01:15
Acquire all upgrades for all weapons.
Unlocked: 12 May 2014 17:55:49
The player has become a Big Daddy.
Unlocked: 12 May 2014 17:53:09
Either Harvest or Rescue every Little Sister in the game
Unlocked: 12 May 2014 17:48:13
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
Unlocked: 12 May 2014 17:40:04
Fully upgrade five weapons.
Unlocked: 12 May 2014 17:27:34
The player has broken Fontaine's mind control
Unlocked: 12 May 2014 17:18:59
The player has taken a picture of Sander Cohen's corpse
Unlocked: 12 May 2014 16:58:04
The player has entered Sander Cohen's personal quarters.
Unlocked: 12 May 2014 16:57:40
Fully upgrade four weapons.
Unlocked: 12 May 2014 16:53:48
Fully research the Nitro Splicer.
Unlocked: 12 May 2014 16:52:59
Research PhD
20Max out all possible research.
Unlocked: 12 May 2014 16:52:59
Fully research the Rosie.
Unlocked: 12 May 2014 16:50:14
The player has defeated Andrew Ryan
Unlocked: 12 May 2014 16:40:49
Fully research the Little Sister.
Unlocked: 12 May 2014 16:11:49
Fully research the Bouncer.
Unlocked: 12 May 2014 16:11:04
Purchased every slot in all four Plasmid and Tonic tracks
Unlocked: 12 May 2014 16:04:14
Fully upgrade three weapons.
Unlocked: 12 May 2014 16:03:59
The player has completed Sander Cohen's great masterpiece
Unlocked: 12 May 2014 15:51:44
Fully upgrade two weapons.
Unlocked: 12 May 2014 15:26:44
Successfully invented all possible ammo types.
Unlocked: 12 May 2014 15:25:58
Take at least one photo in every research group.
Unlocked: 12 May 2014 15:22:09
Fully research the Spider Splicer.
Unlocked: 12 May 2014 15:05:44
Lucky Winner
10Hit the jackpot at a slot machine
Unlocked: 12 May 2014 15:03:29
The player has restored the forests of Arcadia
Unlocked: 12 May 2014 14:48:10
Purchased every slot in one of the Plasmid or Tonic tracks
Unlocked: 12 May 2014 14:34:49
Fully research the Houdini Splicer.
Unlocked: 12 May 2014 14:16:19
Fully upgrade one weapon.
Unlocked: 12 May 2014 14:14:13
Fully research the Thuggish Splicer.
Unlocked: 12 May 2014 13:46:24
Successfully invent at least one item.
Unlocked: 12 May 2014 13:24:55
Acquire at least one weapon upgrade.
Unlocked: 12 May 2014 13:02:34
Successfully complete 50 hacks.
Unlocked: 12 May 2014 13:01:04
The player has defeated Peach Wilkins
Unlocked: 12 May 2014 13:00:34
Fully research the Leadhead Splicer.
Unlocked: 12 May 2014 12:48:59
Take at least one Research Photo of a Splicer.
Unlocked: 12 May 2014 12:31:44
Take a Research Photo of the highest grade.
Unlocked: 12 May 2014 12:31:28
Purchase one slot in any Plasmid or Tonic track
Unlocked: 12 May 2014 12:15:18
The player has defeated the crazed Dr. Steinman
Unlocked: 12 May 2014 11:57:08
Successfully hack a safe.
Unlocked: 12 May 2014 11:35:38
Successfully hack a security camera.
Unlocked: 12 May 2014 11:25:54
Successfully hack a turret.
Unlocked: 12 May 2014 11:12:10
Successfully hack a vending machine.
Unlocked: 12 May 2014 10:56:29
Perform at least one successful hack.
Unlocked: 12 May 2014 10:55:24
Successfully hack a security bot.
Unlocked: 12 May 2014 10:55:24
Successfully complete the Welcome To Rapture Level.
Unlocked: 12 May 2014 10:54:19
Shock an enemy in the water.
Unlocked: 28 Mar 2014 17:17:04
Complete the game on Hard difficulty without using a Vita-Chamber
Unlocked: 12 May 2014 18:24:55