Acquire the Bow of Apollo

Adopted a new Little Sister for the first time.

Upgraded a weapon at a Power to the People Station.

Used the Hack Tool to hack an object at a distance.

The player has completed the game without harvesting any Little Sisters

The player has become a Big Daddy

Acquire all upgrades for all weapons

Fully upgrade five weapons

The player has broken Fontaine's mind control

Fully research the Nitro Splicer

The player has entered Sander Cohen's personal quarters

Fully research the Rosie

The player has defeated Andrew Ryan