Spend 200,000 credits at the store

Collect 75 Logs

Collect 8 schematics

Complete Chapter 3 on any difficulty setting

Kill 30 enemies with the Plasma Cutter

Dismember 20 Limbs

The player has become a Big Daddy

Fully research the Little Sister

The player has successfully completed 50 hacks

The player has defeated Andrew Ryan

The player has completed Sander Cohen's great masterpiece

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

The player has successfully invented at least one item