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

Defeated 3 Big Daddies without dying during the fight.

Defended yourself against the Big Sister without dying.

Uncovered the secret of Dionysus Park.

Gathered 600 ADAM with Little Sisters.

Defeated the Preacher.

Confronted Lamb's lieutenant in Pauper's Drop.

Maxed out one Research Track.

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

Hacked one of each kind of machine.

Upgraded a weapon at a Power to the People Station.

Used the Hack Tool to hack an object at a distance.

Collect the Abyssal Armor Set