Charged up the Ferris Wheel 9 different times in “A Shocking Turn of Events”

Found all collectable Roses in “A Shocking Turn of Events”

Rescued the Little Sister in “Worlds of Hurt” using only plasmids, tonics, the wrench, and the research camera, on Medium or higher difficulty

Found all collectable Roses in “The ‘I’ in Team”

Rescued the Little Sister in “The ‘I’ in Team” in under 3:00

Complete the game on Survivor difficulty without using a Vita-chamber

Complete the game on Survivor difficulty

The player has entered Sander Cohen's personal quarters

Acquire all upgrades for all weapons

The player has completed the game without harvesting any Little Sisters

Successfully invent at least 100 items

The player has either Harvested or Rescued every possible Little Sister