Defended yourself against the Big Sister without dying.

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.

The player has fully upgraded one weapon

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

The player has defeated Andrew Ryan

The player has restored the forests of Arcadia

The player has successfully invented at least one item

The player has taken a Research Photo of the highest grade

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

Bad guys love starting riots.

The player has purchased one slot in any Plasmid or Tonic track