Successfully invent at least 100 items.
Unlocked: 16 Jan 2015 03:35:03
Complete the game on the hardest difficulty setting.
Unlocked: 16 Jan 2015 02:50:33
Complete the game without harvesting any Little Sisters.
Unlocked: 16 Jan 2015 02:50:32
The player has defeated Atlas
Unlocked: 16 Jan 2015 02:49:58
The player has become a Big Daddy.
Unlocked: 16 Jan 2015 02:23:51
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
Unlocked: 16 Jan 2015 02:21:26
Historian
50Find every audio diary.
Unlocked: 16 Jan 2015 02:17:17
Successfully invented all possible ammo types.
Unlocked: 16 Jan 2015 02:07:52
Either Harvest or Rescue every Little Sister in the game
Unlocked: 16 Jan 2015 02:05:40
Acquire all upgrades for all weapons.
Unlocked: 16 Jan 2015 01:58:45
Fully upgrade five weapons.
Unlocked: 16 Jan 2015 01:22:17
The player has broken Fontaine's mind control
Unlocked: 16 Jan 2015 01:12:39
Fully research the Rosie.
Unlocked: 16 Jan 2015 01:02:43
Research PhD
20Max out all possible research.
Unlocked: 16 Jan 2015 01:02:43
The player has entered Sander Cohen's personal quarters.
Unlocked: 16 Jan 2015 00:54:03
Fully upgrade four weapons.
Unlocked: 16 Jan 2015 00:43:45
The player has defeated Andrew Ryan
Unlocked: 16 Jan 2015 00:16:53
Fully research the Bouncer.
Unlocked: 15 Jan 2015 23:45:46
Purchased every slot in all four Plasmid and Tonic tracks
Unlocked: 15 Jan 2015 05:32:32
Fully upgrade three weapons.
Unlocked: 15 Jan 2015 05:31:31
Fully research the Little Sister.
Unlocked: 15 Jan 2015 05:31:20
The player has taken a picture of Sander Cohen's corpse
Unlocked: 15 Jan 2015 04:58:02
The player has completed Sander Cohen's great masterpiece
Unlocked: 15 Jan 2015 04:48:34
Lucky Winner
10Hit the jackpot at a slot machine
Unlocked: 15 Jan 2015 04:22:36
Take at least one photo in every research group.
Unlocked: 15 Jan 2015 03:52:45
Fully upgrade two weapons.
Unlocked: 15 Jan 2015 03:29:10
Fully research the Spider Splicer.
Unlocked: 15 Jan 2015 03:23:36
The player has restored the forests of Arcadia
Unlocked: 15 Jan 2015 02:46:19
Successfully invent at least one item.
Unlocked: 15 Jan 2015 02:38:53
Fully research the Houdini Splicer.
Unlocked: 15 Jan 2015 02:34:22
Purchased every slot in one of the Plasmid or Tonic tracks
Unlocked: 15 Jan 2015 02:20:59
Fully upgrade one weapon.
Unlocked: 15 Jan 2015 02:07:22
Successfully complete 50 hacks.
Unlocked: 15 Jan 2015 02:01:57
Fully research the Thuggish Splicer.
Unlocked: 15 Jan 2015 01:47:24
Fully research the Nitro Splicer.
Unlocked: 14 Jan 2015 04:49:50
Acquire at least one weapon upgrade.
Unlocked: 14 Jan 2015 04:40:48
The player has defeated Peach Wilkins
Unlocked: 14 Jan 2015 04:38:00
Fully research the Leadhead Splicer.
Unlocked: 14 Jan 2015 04:24:58
Take a Research Photo of the highest grade.
Unlocked: 14 Jan 2015 04:16:49
Take at least one Research Photo of a Splicer.
Unlocked: 14 Jan 2015 04:03:36
Purchase one slot in any Plasmid or Tonic track
Unlocked: 14 Jan 2015 03:47:08
Successfully hack a safe.
Unlocked: 14 Jan 2015 02:49:13
The player has defeated the crazed Dr. Steinman
Unlocked: 14 Jan 2015 02:46:12
Successfully hack a security camera.
Unlocked: 14 Jan 2015 02:25:48
Successfully hack a vending machine.
Unlocked: 14 Jan 2015 02:20:42
Successfully hack a turret.
Unlocked: 14 Jan 2015 02:17:17
Successfully hack a security bot.
Unlocked: 14 Jan 2015 02:12:15
Perform at least one successful hack.
Unlocked: 14 Jan 2015 02:12:14
Successfully complete the Welcome To Rapture Level.
Unlocked: 14 Jan 2015 02:09:55
Shock an enemy in the water.
Unlocked: 14 Jan 2015 01:58:43
Complete the game on Hard difficulty without using a Vita-Chamber
Unlocked: 16 Jan 2015 02:50:34