Finish the game on the hardest difficulty level.
Unlocked: 17 Jul 2012 18:49:09
Escaped Rapture.
Unlocked: 17 Jul 2012 12:30:29
Finish the game without using Vita-Chambers.
Unlocked: 17 Jul 2012 12:30:28
Headed to the surface on the side of Sinclair's escape pod.
Unlocked: 17 Jul 2012 12:27:55
Find all 14 Power to the People weapon upgrades in the game.
Unlocked: 17 Jul 2012 11:56:48
All Plasmids
20Find or purchase all 11 basic Plasmid types.
Unlocked: 17 Jul 2012 11:26:21
Reunited with your original Little Sister.
Unlocked: 17 Jul 2012 11:25:54
Fully upgrade to the maximum number of Plasmid Slots.
Unlocked: 17 Jul 2012 11:25:53
Max out research on all 9 research subjects.
Unlocked: 17 Jul 2012 11:15:08
Saved every Little Sister and spared Grace, Stanley and Gil.
Unlocked: 17 Jul 2012 08:53:54
Gained access to Lamb’s stronghold.
Unlocked: 17 Jul 2012 08:52:54
Find 100 audio diaries.
Unlocked: 17 Jul 2012 08:38:24
Either Harvest or Save every Little Sister in the game.
Unlocked: 17 Jul 2012 08:32:51
Hack 30 machines at a distance with the Hack Tool.
Unlocked: 17 Jul 2012 07:41:17
Successfully hack at least one of every type of machine.
Unlocked: 17 Jul 2012 07:40:41
Trap Master
15Kill 30 enemies using only Traps.
Unlocked: 16 Jul 2012 17:38:42
Uncovered the secret of Dionysus Park.
Unlocked: 16 Jul 2012 16:20:53
Killed 50 enemies using only hacked Security.
Unlocked: 16 Jul 2012 16:18:33
Gather 600 ADAM with Little Sisters.
Unlocked: 16 Jul 2012 15:35:01
Fully upgrade one of your Plasmids to the level 3 version at a Gatherer's Garden.
Unlocked: 16 Jul 2012 14:13:26
Defeated the Preacher.
Unlocked: 16 Jul 2012 13:14:47
Big Spender
15Spend 2000 dollars at Vending Machines.
Unlocked: 02 Jul 2012 16:51:16
Buy one Plasmid or Tonic Slot at a Gatherer's Garden.
Unlocked: 02 Jul 2012 16:28:24
Killed an enemy with its own projectile.
Unlocked: 02 Jul 2012 15:23:53
Confronted Lamb’s lieutenant in Pauper’s Drop.
Unlocked: 02 Jul 2012 15:04:55
Max out one Research Track.
Unlocked: 02 Jul 2012 13:23:50
Grand Daddy
25Defeat 3 Big Daddies without dying during the fight.
Unlocked: 02 Jul 2012 13:19:08
Research a Splicer with the Research Camera.
Unlocked: 02 Jul 2012 12:46:59
Install the third and final upgrade to any of your weapons.
Unlocked: 02 Jul 2012 12:44:53
Joined forces with Sinclair in Ryan Amusements.
Unlocked: 02 Jul 2012 12:16:42
Defended yourself against the Big Sister without dying.
Unlocked: 02 Jul 2012 12:13:53
Get through a Gather with no damage and no one getting to the Little Sister.
Unlocked: 02 Jul 2012 11:55:34
Paid your respects to the founder of Rapture.
Unlocked: 02 Jul 2012 10:43:21
Adopted a new Little Sister for the first time.
Unlocked: 02 Jul 2012 09:58:04
Upgrade any weapon at a Power to the People Station.
Unlocked: 02 Jul 2012 09:25:24
Defended yourself against Lamb's assault in the train station.
Unlocked: 02 Jul 2012 09:17:01
Used the Hack Tool to hack an object at a distance.
Unlocked: 02 Jul 2012 08:56:01
Found your way back into the ruins of Rapture.
Unlocked: 02 Jul 2012 08:53:27
Achieve Rank 40.
Unlocked: 19 Mar 2012 21:58:04
Skin Job
20Achieve Rank 30.
Unlocked: 16 Mar 2012 19:32:07
Complete your first trial in a non-private match.
Unlocked: 14 Mar 2012 22:18:01
Little Moth
20Achieve Rank 20.
Unlocked: 14 Mar 2012 21:44:44
Play at least one non-private match on each multiplayer map.
Unlocked: 14 Mar 2012 21:44:31
Parasite
10Achieve Rank 10.
Unlocked: 11 Mar 2012 22:37:35
Win your first non-private match.
Unlocked: 11 Mar 2012 21:25:41
Become a Big Daddy for the first time in a non-private match.
Unlocked: 10 Mar 2012 23:14:07
Complete your first non-private match.
Unlocked: 10 Mar 2012 23:08:55
Take down your first Big Daddy in a non-private match.
Unlocked: 10 Mar 2012 23:05:42
Score your first kill in a non-private match.
Unlocked: 10 Mar 2012 22:58:24
Mother Goose
20Save your first Little Sister in a non-private match.
Unlocked: 10 Mar 2012 22:57:16
Reincarnation
100Use Rebirth to start again!
Unlocked: 22 Mar 2012 22:13:46
Territorial
25Win a non-private match in each of the 6 new maps.
Unlocked: 14 Mar 2012 22:48:43
Play at least one non-private match on each downloadable content map.
Unlocked: 14 Mar 2012 22:31:48