Finished the game without using Vita-Chambers.

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

Found 100 audio diaries.

Reunited with your original Little Sister.

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

Completed all research on every subject in Rapture.

Fully upgraded one Plasmid to the Level 3 version.

Killed each of the loot midgets

Destroy all 18 of the Score stars found throughout "Lost in Nightmares."

Complete Alien Campaign on Nightmare difficulty setting

Killed 50 enemies using only hacked Security.

Spent 2000 dollars at Vending Machines.

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