Use the Precision ability to rack up three head shots in rapid succession.

Fully upgraded one Plasmid to the Level 3 version.

Gathered 600 ADAM with Little Sisters.

Defeated 3 Big Daddies without dying during the fight.

Killed 30 enemies using only Traps.

Defeat 25 enemies by throwing cars at them.

Defeat 300 enemies.

Defeat an enemy or civilian by stepping in water.

Thunder drop into a group of 5 or more enemies.

Confronted Lamb's lieutenant in Pauper's Drop.

Defended yourself against the Big Sister without dying.

Take down a street performer who is imitating a statue.

Defeat an enemy by destroying the object they stand on.