* Return to the underwater city of Rapture where now the 'The Big Sister' is the toughest creature around.

* Play as the original the Big Daddy as you harness raw strength to battle Rapture's most feared denizens as you battle powerful new enemies.

* New game mechanics including the ability to wield plasmids and weapons simultaneously; flashback missions detailing how you became the Big Daddy; the ability to walk outside the airlocks of Rapture to discover new play areas, and many more.

* New game environments including Fontaine Futuristics, headquarters of Fontaine's business empire and the Kashmir Restaurant.