Gained access to Lamb's stronghold.

Found 100 audio diaries.

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

Killed 50 enemies using only hacked Security.

Defeated the Preacher.

Spent 2000 dollars at Vending Machines.

Maxed out one Research Track.

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

Installed the third upgrade to a weapon.

Defended yourself against the Big Sister without dying.

Hacked one of each kind of machine.

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

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