Found every Power to the People weapon upgrade in the game.

Completed all research on every subject in Rapture.

Reunited with your original Little Sister.

Gained access to Lamb's stronghold.

Dealt with every Little Sister.

Connected a Counterattack.

Fully upgraded one Plasmid to the Level 3 version.

Defeated the Preacher.

In the Main Campaign, killed 75 enemies either with a Vigor or while the enemy is under the effects of a Vigor.

Confronted Lamb's lieutenant in Pauper's Drop.

Maxed out one Research Track.

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

Defeated 3 Big Daddies without dying during the fight.