Successfully invent at least 100 items.
Unlocked: 31 Oct 2012 18:14:01
Complete the game on the hardest difficulty setting.
Unlocked: 21 Oct 2012 15:08:28
Complete the game without harvesting any Little Sisters.
Unlocked: 21 Oct 2012 15:01:28
The player has defeated Atlas
Unlocked: 21 Oct 2012 15:00:52
The player has become a Big Daddy.
Unlocked: 21 Oct 2012 14:07:05
Historian
50Find every audio diary.
Unlocked: 21 Oct 2012 14:02:59
Either Harvest or Rescue every Little Sister in the game
Unlocked: 21 Oct 2012 13:55:48
Acquire all upgrades for all weapons.
Unlocked: 21 Oct 2012 13:45:16
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
Unlocked: 21 Oct 2012 13:33:49
Fully upgrade five weapons.
Unlocked: 21 Oct 2012 13:22:45
Purchased every slot in all four Plasmid and Tonic tracks
Unlocked: 21 Oct 2012 13:08:55
The player has broken Fontaine's mind control
Unlocked: 21 Oct 2012 13:05:19
Research PhD
20Max out all possible research.
Unlocked: 21 Oct 2012 12:58:51
Fully research the Rosie.
Unlocked: 21 Oct 2012 12:58:48
The player has entered Sander Cohen's personal quarters.
Unlocked: 21 Oct 2012 12:42:35
Fully upgrade four weapons.
Unlocked: 21 Oct 2012 12:40:23
Fully research the Little Sister.
Unlocked: 21 Oct 2012 12:28:09
Fully research the Nitro Splicer.
Unlocked: 21 Oct 2012 12:27:05
The player has defeated Andrew Ryan
Unlocked: 21 Oct 2012 12:12:01
Fully research the Bouncer.
Unlocked: 21 Oct 2012 11:43:42
Fully upgrade three weapons.
Unlocked: 21 Oct 2012 11:18:24
Successfully invented all possible ammo types.
Unlocked: 21 Oct 2012 11:07:37
Purchased every slot in one of the Plasmid or Tonic tracks
Unlocked: 21 Oct 2012 10:45:06
The player has taken a picture of Sander Cohen's corpse
Unlocked: 21 Oct 2012 10:41:32
The player has completed Sander Cohen's great masterpiece
Unlocked: 21 Oct 2012 10:39:42
Take at least one photo in every research group.
Unlocked: 21 Oct 2012 10:00:40
Successfully complete 50 hacks.
Unlocked: 21 Oct 2012 09:55:48
Fully upgrade two weapons.
Unlocked: 21 Oct 2012 09:47:13
Fully research the Spider Splicer.
Unlocked: 21 Oct 2012 09:30:40
Lucky Winner
10Hit the jackpot at a slot machine
Unlocked: 21 Oct 2012 09:24:57
The player has restored the forests of Arcadia
Unlocked: 21 Oct 2012 09:17:28
Fully research the Houdini Splicer.
Unlocked: 21 Oct 2012 08:59:19
Fully research the Thuggish Splicer.
Unlocked: 21 Oct 2012 08:47:19
Fully upgrade one weapon.
Unlocked: 21 Oct 2012 08:35:28
Successfully invent at least one item.
Unlocked: 21 Oct 2012 08:09:51
Acquire at least one weapon upgrade.
Unlocked: 21 Oct 2012 07:52:45
The player has defeated Peach Wilkins
Unlocked: 21 Oct 2012 07:51:02
Fully research the Leadhead Splicer.
Unlocked: 21 Oct 2012 07:36:56
Take at least one Research Photo of a Splicer.
Unlocked: 21 Oct 2012 07:28:35
Take a Research Photo of the highest grade.
Unlocked: 21 Oct 2012 07:28:29
Purchase one slot in any Plasmid or Tonic track
Unlocked: 21 Oct 2012 07:16:31
The player has defeated the crazed Dr. Steinman
Unlocked: 21 Oct 2012 07:00:56
Successfully hack a safe.
Unlocked: 21 Oct 2012 06:54:17
Successfully hack a security camera.
Unlocked: 21 Oct 2012 06:47:23
Successfully hack a vending machine.
Unlocked: 21 Oct 2012 06:46:45
Successfully hack a turret.
Unlocked: 21 Oct 2012 06:45:07
Successfully hack a security bot.
Unlocked: 21 Oct 2012 06:43:11
Perform at least one successful hack.
Unlocked: 21 Oct 2012 06:43:09
Successfully complete the Welcome To Rapture Level.
Unlocked: 21 Oct 2012 06:42:19
Shock an enemy in the water.
Unlocked: 21 Oct 2012 06:35:45
Complete the game on Hard difficulty without using a Vita-Chamber
Unlocked: 21 Oct 2012 15:08:32