Campaign: destroy 100 objects

Campaign: find 15 collectable weapons

Campaign: 50 kills with assault rifles

Campaign: find 5 collectable weapons

Campaign: demolish 1 house

Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.

Finished the game without using Vita-Chambers.

Reunited with your original Little Sister.

Maxed out one Research Track.

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

Defeated the Preacher.

Confronted Lamb's lieutenant in Pauper's Drop.