You have destroyed 20 poltergeist objects.

You wiped out four Taken with a single flare.

Eliminate Al-Pairika

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

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

The player has completed the game without harvesting any Little Sisters

Successfully invent at least 100 items

The player has become a Big Daddy

The player has either Harvested or Rescued every possible Little Sister

Acquire all upgrades for all weapons

Fully upgrade four weapons

The player has fully upgraded three weapons

The player has taken a picture of Sander Cohen's corpse