Recovered your signet ring

Beat the game using only the Plasma Cutter

Kill the Slug Boss with more than 50% Shield strength remaining

Survive the ADS Canon with over 50% Shield strength remaining

Collected all other BioShock trophies

Complete the game on Hard difficulty without using a Vita-Chamber

The player has completed the game on the Hard difficulty setting

The player has defeated Atlas

Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

The player has either Harvested or Rescued every possible Little Sister

Acquire all upgrades for all weapons

The player has broken Fontaine's mind control

The player has entered Sander Cohen's personal quarters