Successfully invent at least 100 items.
Unlocked: 12 Aug 2014 11:54:31
Complete the game on the hardest difficulty setting.
Unlocked: 11 Aug 2014 20:59:09
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
Unlocked: 11 Aug 2014 20:32:46
Historian
50Find every audio diary.
Unlocked: 11 Aug 2014 20:22:49
Acquire all upgrades for all weapons.
Unlocked: 11 Aug 2014 20:15:48
Research PhD
20Max out all possible research.
Unlocked: 11 Aug 2014 19:56:29
Fully research the Bouncer.
Unlocked: 11 Aug 2014 19:56:28
Fully upgrade five weapons.
Unlocked: 11 Aug 2014 19:45:01
Fully research the Little Sister.
Unlocked: 11 Aug 2014 19:43:31
The player has entered Sander Cohen's personal quarters.
Unlocked: 11 Aug 2014 19:09:57
The player has taken a picture of Sander Cohen's corpse
Unlocked: 11 Aug 2014 19:08:51
Fully research the Rosie.
Unlocked: 11 Aug 2014 18:59:16
Complete the game without harvesting any Little Sisters.
Unlocked: 15 Apr 2014 11:36:25
The player has defeated Atlas
Unlocked: 15 Apr 2014 11:35:51
The player has become a Big Daddy.
Unlocked: 15 Apr 2014 10:55:58
Either Harvest or Rescue every Little Sister in the game
Unlocked: 15 Apr 2014 10:34:52
Purchased every slot in all four Plasmid and Tonic tracks
Unlocked: 15 Apr 2014 10:07:00
The player has broken Fontaine's mind control
Unlocked: 15 Apr 2014 10:03:58
Fully research the Nitro Splicer.
Unlocked: 15 Apr 2014 10:00:51
Fully research the Houdini Splicer.
Unlocked: 15 Apr 2014 09:43:10
Successfully invented all possible ammo types.
Unlocked: 15 Apr 2014 02:59:51
Fully upgrade four weapons.
Unlocked: 15 Apr 2014 02:50:57
The player has defeated Andrew Ryan
Unlocked: 15 Apr 2014 02:34:31
Fully upgrade three weapons.
Unlocked: 15 Apr 2014 01:56:57
The player has completed Sander Cohen's great masterpiece
Unlocked: 15 Apr 2014 01:39:34
Take at least one photo in every research group.
Unlocked: 15 Apr 2014 01:11:54
Fully research the Spider Splicer.
Unlocked: 15 Apr 2014 01:11:38
Fully research the Leadhead Splicer.
Unlocked: 15 Apr 2014 00:52:13
Purchased every slot in one of the Plasmid or Tonic tracks
Unlocked: 15 Apr 2014 00:12:06
Lucky Winner
10Hit the jackpot at a slot machine
Unlocked: 14 Apr 2014 22:44:37
Fully upgrade two weapons.
Unlocked: 14 Apr 2014 22:23:00
The player has restored the forests of Arcadia
Unlocked: 14 Apr 2014 21:39:07
Fully research the Thuggish Splicer.
Unlocked: 14 Apr 2014 21:18:33
Fully upgrade one weapon.
Unlocked: 14 Apr 2014 20:47:07
Successfully invent at least one item.
Unlocked: 14 Apr 2014 18:42:09
Successfully complete 50 hacks.
Unlocked: 14 Apr 2014 18:38:59
Acquire at least one weapon upgrade.
Unlocked: 14 Apr 2014 18:21:53
The player has defeated Peach Wilkins
Unlocked: 14 Apr 2014 18:18:36
Take at least one Research Photo of a Splicer.
Unlocked: 14 Apr 2014 17:47:35
Take a Research Photo of the highest grade.
Unlocked: 14 Apr 2014 17:47:23
Purchase one slot in any Plasmid or Tonic track
Unlocked: 14 Apr 2014 17:34:49
The player has defeated the crazed Dr. Steinman
Unlocked: 14 Apr 2014 17:14:51
Successfully hack a safe.
Unlocked: 14 Apr 2014 17:05:56
Successfully hack a security camera.
Unlocked: 14 Apr 2014 16:54:31
Successfully hack a turret.
Unlocked: 14 Apr 2014 16:51:18
Successfully hack a vending machine.
Unlocked: 14 Apr 2014 16:47:57
Perform at least one successful hack.
Unlocked: 14 Apr 2014 16:47:20
Successfully hack a security bot.
Unlocked: 14 Apr 2014 16:47:20
Successfully complete the Welcome To Rapture Level.
Unlocked: 14 Apr 2014 16:46:45
Shock an enemy in the water.
Unlocked: 14 Apr 2014 16:41:06
Complete the game on Hard difficulty without using a Vita-Chamber
Unlocked: 11 Aug 2014 20:59:09