Maxed out one Research Track.

Uncovered the secret of Dionysus Park.

Spent 2000 dollars at Vending Machines.

Confronted Lamb's lieutenant in Pauper's Drop.

Researched a Splicer with the Research Camera.

Joined forces with Sinclair in Ryan Amusements.

Hacked one of each kind of machine.

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

Found your way back into the ruins of Rapture.

The player has defeated Atlas

The player has become a Big Daddy

Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

The player has purchased every slot in one of the Plasmid or Tonic tracks