Confronted Lamb's lieutenant in Pauper's Drop.

Researched a Splicer with the Research Camera.

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

Paid your respects to the founder of Rapture.

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.

Found your way back into the ruins of Rapture.

Score 10,000 points on My Blaster Runs Hot.

Start the first campaign after installing.

Mastered the technology of Pandora

Vanquish Lord Vorselon.

Win the Raritanium Tournament.