Escaped Rapture.

Unlocked: 09 May 2011 10:36:45

Headed to the surface on the side of Sinclair's escape pod.

Unlocked: 09 May 2011 10:34:35

Find 100 audio diaries.

Unlocked: 08 May 2011 22:05:02

Find or purchase all 11 basic Plasmid types.

Unlocked: 08 May 2011 21:36:01

Reunited with your original Little Sister.

Unlocked: 08 May 2011 21:35:27

Fully upgrade to the maximum number of Plasmid Slots.

Unlocked: 08 May 2011 21:35:26

Saved every Little Sister and spared Grace, Stanley and Gil.

Unlocked: 07 May 2011 14:17:29

Gained access to Lamb’s stronghold.

Unlocked: 07 May 2011 14:16:48

Either Harvest or Save every Little Sister in the game.

Unlocked: 07 May 2011 13:58:25

Fully upgrade one of your Plasmids to the level 3 version at a Gatherer's Garden.

Unlocked: 06 May 2011 23:09:43

Uncovered the secret of Dionysus Park.

Unlocked: 05 May 2011 22:47:00

Killed 50 enemies using only hacked Security.

Unlocked: 05 May 2011 22:44:43

Gather 600 ADAM with Little Sisters.

Unlocked: 05 May 2011 13:16:33

Max out one Research Track.

Unlocked: 05 May 2011 13:06:44

Defeated the Preacher.

Unlocked: 05 May 2011 11:46:17

Hack 30 machines at a distance with the Hack Tool.

Unlocked: 05 May 2011 11:39:27

Spend 2000 dollars at Vending Machines.

Unlocked: 04 May 2011 17:34:14

Confronted Lamb’s lieutenant in Pauper’s Drop.

Unlocked: 04 May 2011 17:21:03

Defeat 3 Big Daddies without dying during the fight.

Unlocked: 04 May 2011 15:42:01

Install the third and final upgrade to any of your weapons.

Unlocked: 03 May 2011 23:46:30

Research a Splicer with the Research Camera.

Unlocked: 03 May 2011 23:43:46

Get through a Gather with no damage and no one getting to the Little Sister.

Unlocked: 03 May 2011 23:17:34

Buy one Plasmid or Tonic Slot at a Gatherer's Garden.

Unlocked: 03 May 2011 22:49:54

Joined forces with Sinclair in Ryan Amusements.

Unlocked: 02 May 2011 12:13:07

Successfully hack at least one of every type of machine.

Unlocked: 02 May 2011 11:28:26

Adopted a new Little Sister for the first time.

Unlocked: 01 May 2011 11:30:25

Upgrade any weapon at a Power to the People Station.

Unlocked: 01 May 2011 11:07:15

Defended yourself against Lamb's assault in the train station.

Unlocked: 01 May 2011 10:46:31

Used the Hack Tool to hack an object at a distance.

Unlocked: 30 Apr 2011 21:09:30

Found your way back into the ruins of Rapture.

Unlocked: 30 Apr 2011 21:06:28

Defended yourself against the Big Sister without dying.

Unlocked: Offline

Kill 30 enemies using only Traps.

Unlocked: Offline

Killed an enemy with its own projectile.

Unlocked: Offline

Find all 14 Power to the People weapon upgrades in the game.

Max out research on all 9 research subjects.

Finish the game on the hardest difficulty level.

Finish the game without using Vita-Chambers.

Score your first kill in a non-private match.

Complete your first non-private match.

Become a Big Daddy for the first time in a non-private match.

Take down your first Big Daddy in a non-private match.

Save your first Little Sister in a non-private match.

Complete your first trial in a non-private match.

Achieve Rank 10.

Achieve Rank 20.

Achieve Rank 30.

Achieve Rank 40.

Paid your respects to the founder of Rapture.

Win your first non-private match.

Play at least one non-private match on each multiplayer map.

Play at least one non-private match on each downloadable content map.

Win a non-private match in each of the 6 new maps.

Use Rebirth to start again!

Earn 6 stars in the Protector Trials

Earn 18 stars in the Protector Trial

Earn 36 stars in the Protector Trials

Earn an A rank in all Protector Trials

Completed all bonus Protector Trials

Collect 100% of the ADAM in a single Protector Trial

Collect 50% of the ADAM available in all Protector Trials

Reached Rapture Central Computing Operations

Reached Computer Core Access

Escaped Minerva's Den

Wrested control of the Thinker from Reed Wahl

Destroy all 10 Vacuum Bots in Minerva's Den

Got 9999 points in one game of Spitfire

Kill a Lancer Big Daddy

Resolve all the Little Sisters in Minerva's Den