Defended yourself against the Big Sister without dying.

Adopted a new Little Sister for the first time.

Defended yourself against Lamb's assault in the train station.

Campaign: finish Force Multiplier

Campaign: 10 melee kills

Campaign: destroy 1000 objects

Campaign: find 15 collectable weapons

Online: do a headshot kill with the repair tool

Found your way back into the ruins of Rapture.

The player has become a Big Daddy

The player has either Harvested or Rescued every possible Little Sister

Fully upgrade four weapons