Bought one Plasmid or Tonic Slot at a Gatherer's Garden.

Defended yourself against the Big Sister without dying.

Hacked one of each kind of machine.

Adopted a new Little Sister for the very first time.

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

Found your way back into the ruins of Rapture.

Complete Story - THIS IS IT

Complete Story - HEADHUNTERS

Complete Story - SUPERFICIAL DAMAGE

Be in 22nd place during an Elimination event, then go on to win

Complete any event at the Havana Castillo View route during Night conditions

Hit every ramp on every lap of a Stadium Trucks ramp event

For killing the boss in chapter 3