Complete the game without harvesting any Little Sisters.
Unlocked: 21 Jun 2013 21:24:00
Complete the game on the hardest difficulty setting.
Unlocked: 21 Jun 2013 21:24:00
The player has defeated Atlas
Unlocked: 21 Jun 2013 21:23:22
Successfully invent at least 100 items.
Unlocked: 20 Jun 2013 21:24:31
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
Unlocked: 20 Jun 2013 20:40:13
Either Harvest or Rescue every Little Sister in the game
Unlocked: 20 Jun 2013 20:37:06
Historian
50Find every audio diary.
Unlocked: 20 Jun 2013 20:25:15
The player has become a Big Daddy.
Unlocked: 20 Jun 2013 20:05:59
Acquire all upgrades for all weapons.
Unlocked: 19 Jun 2013 19:58:02
Fully upgrade five weapons.
Unlocked: 19 Jun 2013 18:39:02
Purchased every slot in all four Plasmid and Tonic tracks
Unlocked: 19 Jun 2013 18:15:39
The player has broken Fontaine's mind control
Unlocked: 19 Jun 2013 18:02:04
The player has entered Sander Cohen's personal quarters.
Unlocked: 17 Jun 2013 20:43:13
The player has taken a picture of Sander Cohen's corpse
Unlocked: 17 Jun 2013 20:41:17
Fully upgrade four weapons.
Unlocked: 17 Jun 2013 20:22:41
The player has defeated Andrew Ryan
Unlocked: 16 Jun 2013 21:14:16
Research PhD
20Max out all possible research.
Unlocked: 16 Jun 2013 19:51:31
Fully research the Bouncer.
Unlocked: 16 Jun 2013 19:51:30
Successfully invented all possible ammo types.
Unlocked: 16 Jun 2013 19:23:18
Fully upgrade three weapons.
Unlocked: 16 Jun 2013 19:10:26
The player has completed Sander Cohen's great masterpiece
Unlocked: 16 Jun 2013 16:31:03
Take at least one photo in every research group.
Unlocked: 16 Jun 2013 15:19:49
Purchased every slot in one of the Plasmid or Tonic tracks
Unlocked: 16 Jun 2013 14:27:47
Fully upgrade two weapons.
Unlocked: 16 Jun 2013 14:21:53
Fully research the Spider Splicer.
Unlocked: 16 Jun 2013 14:05:58
Lucky Winner
10Hit the jackpot at a slot machine
Unlocked: 16 Jun 2013 13:59:11
The player has restored the forests of Arcadia
Unlocked: 15 Jun 2013 21:15:15
Fully research the Rosie.
Unlocked: 15 Jun 2013 19:51:49
Fully research the Houdini Splicer.
Unlocked: 15 Jun 2013 19:32:07
Fully upgrade one weapon.
Unlocked: 15 Jun 2013 19:25:32
Fully research the Thuggish Splicer.
Unlocked: 15 Jun 2013 17:38:20
Successfully invent at least one item.
Unlocked: 15 Jun 2013 17:27:08
Acquire at least one weapon upgrade.
Unlocked: 15 Jun 2013 16:13:29
The player has defeated Peach Wilkins
Unlocked: 15 Jun 2013 15:58:28
Fully research the Little Sister.
Unlocked: 15 Jun 2013 14:57:40
Fully research the Nitro Splicer.
Unlocked: 15 Jun 2013 14:51:23
Purchase one slot in any Plasmid or Tonic track
Unlocked: 15 Jun 2013 14:37:06
Successfully complete 50 hacks.
Unlocked: 15 Jun 2013 13:34:34
Fully research the Leadhead Splicer.
Unlocked: 15 Jun 2013 12:57:02
Take a Research Photo of the highest grade.
Unlocked: 15 Jun 2013 12:05:48
Take at least one Research Photo of a Splicer.
Unlocked: 15 Jun 2013 12:04:29
The player has defeated the crazed Dr. Steinman
Unlocked: 12 Jun 2013 19:51:39
Successfully hack a safe.
Unlocked: 10 Jun 2013 16:01:42
Successfully hack a security camera.
Unlocked: 10 Jun 2013 15:39:47
Successfully hack a turret.
Unlocked: 10 Jun 2013 15:17:03
Successfully hack a vending machine.
Unlocked: 10 Jun 2013 15:02:52
Successfully hack a security bot.
Unlocked: 10 Jun 2013 14:59:34
Perform at least one successful hack.
Unlocked: 10 Jun 2013 14:59:33
Successfully complete the Welcome To Rapture Level.
Unlocked: 10 Jun 2013 14:57:46
Shock an enemy in the water.
Unlocked: 10 Jun 2013 14:43:21
Complete the game on Hard difficulty without using a Vita-Chamber
Unlocked: 21 Jun 2013 22:23:29