Found your way back into the ruins of Rapture.

The player has fully upgraded three weapons

The player has broken Fontaine's mind control

The player has entered Sander Cohen's personal quarters

The player has defeated Andrew Ryan

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

The player has restored the forests of Arcadia

The player has successfully invented at least one item

The player has acquired at least one weapon upgrade

The player has taken at least one Research Photo of a Splicer

The player has successfully hacked a safe

The player has successfully hacked a turret