Gained access to Lamb's stronghold.

Killed 50 enemies using only hacked Security.

Spent 2000 dollars at Vending Machines.

Defended yourself against the Big Sister without dying.

Hacked 30 machines at a distance with the Hack Tool.

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

Installed the third upgrade to a weapon.

Joined forces with Sinclair in Ryan Amusements.

Adopted a new Little Sister for the first time.

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

Found your way back into the ruins of Rapture.

Complete a mission without causing a single Military Alert.