The player has become a Big Daddy

The player has successfully hacked a security camera

The player has broken Fontaine's mind control

The player has fully upgraded one weapon

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

The player has successfully invented at least one item

The player has defeated Peach Wilkins

The player has taken a Research Photo of the highest grade

The player has defeated the crazed Dr. Steinman

The player has successfully hacked a safe

The player has successfully hacked a security bot

The player has successfully completed the Welcome To Rapture Level

You were successfully promoted up a rank in multiplayer.