Researched a Splicer with the Research Camera.

Joined forces with Sinclair in Ryan Amusements.

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

Paid your respects to the founder of Rapture.

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.

Rescued the Little Sister in “Worlds of Hurt” using only plasmids, tonics, the wrench, and the research camera, on Medium or higher difficulty

Rescued the Little Sister in “Worlds of Hurt” in under 15:00, on Medium or higher difficulty

Charged up the Ferris Wheel 9 different times in “A Shocking Turn of Events”

The player has rescued the Little Sister in “A Shocking Turn of Events” in under 4:00

Found all collectable Roses in “The ‘I’ in Team”

Rescued the Little Sister in “The ‘I’ in Team”