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

Confronted Lamb's lieutenant in Pauper's Drop.

Researched a Splicer with the Research Camera.

Got through a Gather with no damage and no one getting to the Little Sister.

Defended yourself against the Big Sister without dying.

Hacked one of each kind of machine.

You located Lady Emily Kaldwin, heir to the throne

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

Found your way back into the ruins of Rapture.

You eliminated High Overseer Campbell

You fought 5 enemies at once and none of them survived

There is only one way in

Save the damsel, but is she in distress?