Find all 14 Power to the People weapon upgrades in the game.
Unlocked: 23 Mar 2011 13:54:10
Finish the game on the hardest difficulty level.
Unlocked: 22 Mar 2011 22:03:15
Killed 50 enemies using only hacked Security.
Unlocked: 22 Mar 2011 15:05:28
Escaped Rapture.
Unlocked: 22 Mar 2011 14:09:34
Finish the game without using Vita-Chambers.
Unlocked: 22 Mar 2011 14:09:31
Headed to the surface on the side of Sinclair's escape pod.
Unlocked: 22 Mar 2011 14:07:18
All Plasmids
20Find or purchase all 11 basic Plasmid types.
Unlocked: 22 Mar 2011 10:36:01
Reunited with your original Little Sister.
Unlocked: 22 Mar 2011 10:35:09
Fully upgrade to the maximum number of Plasmid Slots.
Unlocked: 22 Mar 2011 10:35:07
Saved every Little Sister and spared Grace, Stanley and Gil.
Unlocked: 21 Mar 2011 21:54:47
Gained access to Lamb’s stronghold.
Unlocked: 21 Mar 2011 21:54:12
Max out research on all 9 research subjects.
Unlocked: 21 Mar 2011 21:34:22
Either Harvest or Save every Little Sister in the game.
Unlocked: 21 Mar 2011 21:29:41
Find 100 audio diaries.
Unlocked: 21 Mar 2011 21:15:19
Hack 30 machines at a distance with the Hack Tool.
Unlocked: 21 Mar 2011 20:37:37
Uncovered the secret of Dionysus Park.
Unlocked: 21 Mar 2011 19:49:22
Gather 600 ADAM with Little Sisters.
Unlocked: 21 Mar 2011 19:46:48
Fully upgrade one of your Plasmids to the level 3 version at a Gatherer's Garden.
Unlocked: 21 Mar 2011 19:38:19
Defeated the Preacher.
Unlocked: 21 Mar 2011 17:14:45
Killed an enemy with its own projectile.
Unlocked: 21 Mar 2011 10:53:09
Big Spender
15Spend 2000 dollars at Vending Machines.
Unlocked: 21 Mar 2011 10:43:30
Achieve Rank 40.
Unlocked: 20 Mar 2011 15:01:13
Confronted Lamb’s lieutenant in Pauper’s Drop.
Unlocked: 20 Mar 2011 13:58:34
Max out one Research Track.
Unlocked: 20 Mar 2011 13:03:41
Install the third and final upgrade to any of your weapons.
Unlocked: 20 Mar 2011 12:45:44
Grand Daddy
25Defeat 3 Big Daddies without dying during the fight.
Unlocked: 20 Mar 2011 11:57:18
Research a Splicer with the Research Camera.
Unlocked: 20 Mar 2011 11:54:41
Joined forces with Sinclair in Ryan Amusements.
Unlocked: 19 Mar 2011 18:07:05
Skin Job
20Achieve Rank 30.
Unlocked: 19 Mar 2011 17:42:23
Little Moth
20Achieve Rank 20.
Unlocked: 19 Mar 2011 12:52:08
Play at least one non-private match on each multiplayer map.
Unlocked: 19 Mar 2011 11:17:36
Become a Big Daddy for the first time in a non-private match.
Unlocked: 18 Mar 2011 22:10:08
Take down your first Big Daddy in a non-private match.
Unlocked: 18 Mar 2011 21:58:48
Mother Goose
20Save your first Little Sister in a non-private match.
Unlocked: 18 Mar 2011 21:20:02
Parasite
10Achieve Rank 10.
Unlocked: 18 Mar 2011 20:47:35
Win your first non-private match.
Unlocked: 18 Mar 2011 20:15:51
Complete your first trial in a non-private match.
Unlocked: 18 Mar 2011 19:50:50
Score your first kill in a non-private match.
Unlocked: 18 Mar 2011 18:44:28
Complete your first non-private match.
Unlocked: 18 Mar 2011 18:24:44
Defended yourself against the Big Sister without dying.
Unlocked: 18 Mar 2011 17:54:33
Buy one Plasmid or Tonic Slot at a Gatherer's Garden.
Unlocked: 18 Mar 2011 17:51:13
Trap Master
15Kill 30 enemies using only Traps.
Unlocked: 18 Mar 2011 17:38:15
Successfully hack at least one of every type of machine.
Unlocked: 18 Mar 2011 17:12:45
Paid your respects to the founder of Rapture.
Unlocked: 18 Mar 2011 17:07:20
Get through a Gather with no damage and no one getting to the Little Sister.
Unlocked: 18 Mar 2011 17:05:59
Adopted a new Little Sister for the first time.
Unlocked: 18 Mar 2011 16:47:49
Upgrade any weapon at a Power to the People Station.
Unlocked: 18 Mar 2011 16:19:50
Defended yourself against Lamb's assault in the train station.
Unlocked: 18 Mar 2011 16:09:20
Used the Hack Tool to hack an object at a distance.
Unlocked: 18 Mar 2011 15:34:22
Found your way back into the ruins of Rapture.
Unlocked: 18 Mar 2011 15:31:00
Reincarnation
100Use Rebirth to start again!
Unlocked: 21 Mar 2011 15:59:09
Territorial
25Win a non-private match in each of the 6 new maps.
Unlocked: 18 Mar 2011 21:02:45
Play at least one non-private match on each downloadable content map.
Unlocked: 18 Mar 2011 20:39:04
Completed all bonus Protector Trials
Unlocked: 23 Mar 2011 20:58:39
Earn an A rank in all Protector Trials
Unlocked: 23 Mar 2011 20:10:23
Earn 36 stars in the Protector Trials
Unlocked: 23 Mar 2011 20:10:22
Collect 50% of the ADAM available in all Protector Trials
Unlocked: 23 Mar 2011 18:30:41
Acid Test
10Earn 18 stars in the Protector Trial
Unlocked: 23 Mar 2011 18:15:57
Earn 6 stars in the Protector Trials
Unlocked: 23 Mar 2011 16:57:25
Collect 100% of the ADAM in a single Protector Trial
Unlocked: 23 Mar 2011 16:49:52
Escaped Minerva's Den
Unlocked: 24 Mar 2011 19:04:47
Wrested control of the Thinker from Reed Wahl
Unlocked: 24 Mar 2011 19:00:46
Reached Computer Core Access
Unlocked: 24 Mar 2011 18:51:03
ADAM Addict
10Resolve all the Little Sisters in Minerva's Den
Unlocked: 24 Mar 2011 18:48:43
Destroy all 10 Vacuum Bots in Minerva's Den
Unlocked: 24 Mar 2011 18:43:33
Got 9999 points in one game of Spitfire
Unlocked: 24 Mar 2011 18:10:55
Reached Rapture Central Computing Operations
Unlocked: 24 Mar 2011 14:00:13
Kill a Lancer Big Daddy
Unlocked: 24 Mar 2011 12:13:43