Bioshock 2 is the second installment of the Bioshock series of games. It is a first person shooter game developed by 2K marin for MS Windows PCs, Playstation 3 as well as Xbox 360. The OS X version was however released later in 2012. The setting of the game is a run-down city called Rapture that is under water. The player controle Alpha who is the main protagonist and main character in the game. Alpha’s main mission is to protect little sisters. The storyline revolves around his efforts in trying to protect them from the main antagonist called Sofia Lamb. To get a genuine activation key, simply use the Bioshock 2 Keygen available here.