On December 4, 2007, 2K Games released free downloadable content for BioShock for Xbox 360 and a patch for PC, which gave players access to new plasmids and gene tonics, the "Brass Balls" achievement and additional upgrades.1UP: BioShock DLC Now Available, Plasmids 'n All (December 4, 2007) The downloadable content will come pre-installed on the PlayStation 3 version.

BioShock is a first-person shooter developed for the Xbox 360, PC and PS3. The game is set in Rapture, a secret society founded by a man named Andrew Ryan. He intended it to be a city where the greatest minds on Earth could operate without interference. Unfortunately, his vision of an underwater utopia was unraveled by the very same ideals upon which it was established. As Jack, the lone survivor of a plane crash who stumbles into Rapture, the player must explore the war-torn city and survive long enough to find a way out.