Welcome back to the beautiful city of Rapture, the dystopian underworld introduced in 2007's BioShock, a failed utopia all but destroyed by its inhabitants, a world less mysterious than when you last left it.

BioShock 2 puts players in the suit of Subject Delta, a hulking Big Daddy prototype who longs to reunite with his bonded Little Sister, a girl who happens to also be the daughter of Sofia Lamb, the woman now running Rapture, the underwater city somehow still as chaotic, leaky and menacingly well populated 10 years after the events of the original BioShock. Along the way, you'll be aided by Lamb's opponents and Eleanor herself on your search for your lost little Lamb, growing stronger with all new genetic modifications in the form of offensive Plasmids and passive, ability-granting Tonics. This time, you'll dual wield the power of Plasmids in your left hand, burning, electrocuting and freezing foes, with deadly new weapons for your right. BioShock 2 drops tomorrow 2/9/10