Finished the game without using Vita-Chambers.

Reunited with your original Little Sister.

Gained access to Lamb's stronghold.

Dealt with every Little Sister.

Uncovered the secret of Dionysus Park.

Defeated the Preacher.

Installed the third upgrade to a weapon.

Defeated 3 Big Daddies without dying during the fight.

Joined forces with Sinclair in Ryan Amusements.

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

Adopted a new Little Sister for the first time.

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