Finish the game on the hardest difficulty level.

Unlocked: 30 Nov 2013 02:18 am

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

Unlocked: 25 Nov 2013 04:44 pm

Max out research on all 9 research subjects.

Unlocked: 25 Nov 2013 03:19 pm

Find or purchase all 11 basic Plasmid types.

Unlocked: 25 Nov 2013 03:01 pm

Fully upgrade to the maximum number of Plasmid Slots.

Unlocked: 25 Nov 2013 02:52 pm

Reunited with your original Little Sister.

Unlocked: 25 Nov 2013 02:41 pm

Find 100 audio diaries.

Unlocked: 24 Nov 2013 04:18 pm

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

Unlocked: 24 Nov 2013 02:34 pm

Gained access to Lamb’s stronghold.

Unlocked: 24 Nov 2013 02:08 pm

Either Harvest or Save every Little Sister in the game.

Unlocked: 24 Nov 2013 01:53 pm

Uncovered the secret of Dionysus Park.

Unlocked: 23 Nov 2013 05:41 pm

Gather 600 ADAM with Little Sisters.

Unlocked: 23 Nov 2013 05:37 pm

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

Unlocked: 23 Nov 2013 05:02 pm

Defeated the Preacher.

Unlocked: 23 Nov 2013 04:44 pm

Spend 2000 dollars at Vending Machines.

Unlocked: 19 Nov 2013 06:27 pm

Confronted Lamb’s lieutenant in Pauper’s Drop.

Unlocked: 19 Nov 2013 05:40 pm

Hack 30 machines at a distance with the Hack Tool.

Unlocked: 19 Nov 2013 04:55 pm

Max out one Research Track.

Unlocked: 19 Nov 2013 04:38 pm

Defeat 3 Big Daddies without dying during the fight.

Unlocked: 19 Nov 2013 04:10 pm

Research a Splicer with the Research Camera.

Unlocked: 19 Nov 2013 03:56 pm

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

Unlocked: 19 Nov 2013 03:31 pm

Killed 50 enemies using only hacked Security.

Unlocked: 18 Nov 2013 05:56 pm

Joined forces with Sinclair in Ryan Amusements.

Unlocked: 18 Nov 2013 05:24 pm

Defended yourself against the Big Sister without dying.

Unlocked: 18 Nov 2013 05:01 pm

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

Unlocked: 18 Nov 2013 04:35 pm

Kill 30 enemies using only Traps.

Unlocked: 18 Nov 2013 04:06 pm

Killed an enemy with its own projectile.

Unlocked: 18 Nov 2013 04:02 pm

Paid your respects to the founder of Rapture.

Unlocked: 18 Nov 2013 03:48 pm

Achieve Rank 40.

Unlocked: 15 Nov 2013 04:31 pm

Achieve Rank 30.

Unlocked: 10 Nov 2013 04:36 pm

Complete your first trial in a non-private match.

Unlocked: 10 Nov 2013 02:47 pm

Achieve Rank 20.

Unlocked: 9 Nov 2013 08:53 pm

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

Unlocked: 9 Nov 2013 06:33 pm

Achieve Rank 10.

Unlocked: 9 Nov 2013 02:12 pm

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

Unlocked: 9 Nov 2013 12:38 pm

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

Unlocked: 9 Nov 2013 12:14 pm

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

Unlocked: 9 Nov 2013 12:14 pm

Score your first kill in a non-private match.

Unlocked: 9 Nov 2013 12:10 pm

Complete your first non-private match.

Unlocked: 8 Nov 2013 07:25 pm

Win your first non-private match.

Unlocked: 8 Nov 2013 07:25 pm

Found your way back into the ruins of Rapture.

Unlocked: Offline

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

Unlocked: Offline

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

Unlocked: Offline

Escaped Rapture.

Unlocked: Offline

Upgrade any weapon at a Power to the People Station.

Unlocked: Offline

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

Unlocked: Offline

Successfully hack at least one of every type of machine.

Unlocked: Offline

Adopted a new Little Sister for the first time.

Unlocked: Offline

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

Unlocked: Offline

Finish the game without using Vita-Chambers.

Unlocked: Offline