Achieve Rank 40.
Unlocked: 09 Jul 2010 17:56:28
Skin Job
20Achieve Rank 30.
Unlocked: 05 Jul 2010 13:48:44
Little Moth
20Achieve Rank 20.
Unlocked: 02 Jul 2010 10:17:20
Mother Goose
20Save your first Little Sister in a non-private match.
Unlocked: 20 Jun 2010 17:23:56
Parasite
10Achieve Rank 10.
Unlocked: 20 Jun 2010 15:33:12
Play at least one non-private match on each multiplayer map.
Unlocked: 20 Jun 2010 08:08:09
Complete your first trial in a non-private match.
Unlocked: 19 Jun 2010 14:17:11
Take down your first Big Daddy in a non-private match.
Unlocked: 16 Jun 2010 16:47:36
Complete your first non-private match.
Unlocked: 16 Jun 2010 11:49:07
Win your first non-private match.
Unlocked: 16 Jun 2010 11:49:07
Become a Big Daddy for the first time in a non-private match.
Unlocked: 16 Jun 2010 11:42:58
Score your first kill in a non-private match.
Unlocked: 16 Jun 2010 11:42:00
Finish the game on the hardest difficulty level.
Unlocked: 16 Jun 2010 06:19:42
Escaped Rapture.
Unlocked: 14 Jun 2010 11:16:48
Finish the game without using Vita-Chambers.
Unlocked: 14 Jun 2010 11:16:48
Headed to the surface on the side of Sinclair's escape pod.
Unlocked: 14 Jun 2010 11:14:43
Find all 14 Power to the People weapon upgrades in the game.
Unlocked: 14 Jun 2010 10:49:40
All Plasmids
20Find or purchase all 11 basic Plasmid types.
Unlocked: 14 Jun 2010 09:52:59
Max out research on all 9 research subjects.
Unlocked: 14 Jun 2010 09:36:02
Reunited with your original Little Sister.
Unlocked: 14 Jun 2010 09:32:48
Fully upgrade to the maximum number of Plasmid Slots.
Unlocked: 14 Jun 2010 09:32:48
Saved every Little Sister and spared Grace, Stanley and Gil.
Unlocked: 14 Jun 2010 08:43:30
Gained access to Lamb’s stronghold.
Unlocked: 14 Jun 2010 08:40:02
Find 100 audio diaries.
Unlocked: 14 Jun 2010 08:30:13
Either Harvest or Save every Little Sister in the game.
Unlocked: 14 Jun 2010 08:19:20
Fully upgrade one of your Plasmids to the level 3 version at a Gatherer's Garden.
Unlocked: 13 Jun 2010 18:03:33
Uncovered the secret of Dionysus Park.
Unlocked: 13 Jun 2010 13:50:40
Gather 600 ADAM with Little Sisters.
Unlocked: 13 Jun 2010 13:00:45
Max out one Research Track.
Unlocked: 03 Jun 2010 11:21:19
Killed 50 enemies using only hacked Security.
Unlocked: 02 Jun 2010 15:01:25
Defeated the Preacher.
Unlocked: 01 Jun 2010 17:18:38
Confronted Lamb’s lieutenant in Pauper’s Drop.
Unlocked: 01 Jun 2010 05:28:58
Trap Master
15Kill 30 enemies using only Traps.
Unlocked: 01 Jun 2010 04:04:34
Big Spender
15Spend 2000 dollars at Vending Machines.
Unlocked: 01 Jun 2010 03:43:10
Grand Daddy
25Defeat 3 Big Daddies without dying during the fight.
Unlocked: 01 Jun 2010 03:42:28
Killed an enemy with its own projectile.
Unlocked: 01 Jun 2010 03:40:22
Research a Splicer with the Research Camera.
Unlocked: 01 Jun 2010 03:35:52
Hack 30 machines at a distance with the Hack Tool.
Unlocked: 01 Jun 2010 03:24:26
Install the third and final upgrade to any of your weapons.
Unlocked: 01 Jun 2010 03:21:44
Buy one Plasmid or Tonic Slot at a Gatherer's Garden.
Unlocked: 31 May 2010 18:15:48
Joined forces with Sinclair in Ryan Amusements.
Unlocked: 31 May 2010 17:59:19
Defended yourself against the Big Sister without dying.
Unlocked: 31 May 2010 17:54:32
Get through a Gather with no damage and no one getting to the Little Sister.
Unlocked: 31 May 2010 13:53:22
Paid your respects to the founder of Rapture.
Unlocked: 31 May 2010 13:12:15
Successfully hack at least one of every type of machine.
Unlocked: 31 May 2010 13:00:03
Adopted a new Little Sister for the first time.
Unlocked: 31 May 2010 12:30:54
Upgrade any weapon at a Power to the People Station.
Unlocked: 31 May 2010 12:16:53
Defended yourself against Lamb's assault in the train station.
Unlocked: 31 May 2010 12:08:33
Used the Hack Tool to hack an object at a distance.
Unlocked: 31 May 2010 11:21:31
Found your way back into the ruins of Rapture.
Unlocked: 31 May 2010 11:18:49
Escaped Minerva's Den
Unlocked: 04 Sep 2011 07:59:13
Wrested control of the Thinker from Reed Wahl
Unlocked: 04 Sep 2011 07:53:55
Reached Computer Core Access
Unlocked: 03 Sep 2011 19:18:37
ADAM Addict
10Resolve all the Little Sisters in Minerva's Den
Unlocked: 03 Sep 2011 19:11:19
Destroy all 10 Vacuum Bots in Minerva's Den
Unlocked: 03 Sep 2011 18:50:23
Got 9999 points in one game of Spitfire
Unlocked: 03 Sep 2011 17:53:18
Reached Rapture Central Computing Operations
Unlocked: 03 Sep 2011 14:07:01
Kill a Lancer Big Daddy
Unlocked: 03 Sep 2011 09:56:10
Completed all bonus Protector Trials
Unlocked: 18 Mar 2011 18:04:18
Earn an A rank in all Protector Trials
Unlocked: 18 Mar 2011 17:06:38
Earn 36 stars in the Protector Trials
Unlocked: 18 Mar 2011 16:58:19
Collect 50% of the ADAM available in all Protector Trials
Unlocked: 18 Mar 2011 13:55:45
Acid Test
10Earn 18 stars in the Protector Trial
Unlocked: 18 Mar 2011 13:38:57
Earn 6 stars in the Protector Trials
Unlocked: 18 Mar 2011 04:33:44
Collect 100% of the ADAM in a single Protector Trial
Unlocked: 18 Mar 2011 04:21:19
Reincarnation
100Use Rebirth to start again!
Unlocked: 25 Jan 2012 18:57:38
Territorial
25Win a non-private match in each of the 6 new maps.
Unlocked: 15 Oct 2011 13:34:40
Play at least one non-private match on each downloadable content map.
Unlocked: 17 Sep 2011 15:32:53