Perfect Protector
Collect 100% of the ADAM in a single Protector Trial
9/8/2014
8:36:11 PM
Ultra Rare 0.9%
Get A Bigger Bucket
Collect 50% of the ADAM available in all Protector Trials
9/8/2014
8:15:37 PM
Ultra Rare 0.8%
All Weapon Upgrades
Found every Power to the People weapon upgrade in the game.
8/31/2014
10:22:44 AM
Very Rare 7.1%
Research Master
Completed all research on every subject in Rapture.
8/30/2014
11:44:56 PM
Ultra Rare 4.4%
Savior
Saved every Little Sister and spared Grace, Stanley and Gil.
8/30/2014
11:37:04 PM
Very Rare 9.7%
Seriously Good At This
The player has completed the game on the Hard difficulty setting
8/16/2014
12:23:56 AM
Ultra Rare 4.8%
Found Cohen's Room
The player has entered Sander Cohen's personal quarters
8/10/2014
2:41:16 AM
Very Rare 9.9%
Rope-a-Dope
In CitC, knocked an enemy off the city with Undertow, then rescued him, then knocked him off again.
7/19/2014
4:53:43 PM
Ultra Rare 0.6%
The Whole Story
Collected all Audio Diaries and Voxophones in Burial at Sea - Episode 2.
7/19/2014
2:12:16 PM
Ultra Rare 0.4%