About Mass Effect 2
Mass Effect 2 is an action role-playing video game developed by BioWare and published by Electronic Arts for Microsoft Windows and Xbox 360 in 2010, and for PlayStation 3 in 2011. It is the second installment in the Mass Effect series and a sequel to the original Mass Effect.
The game takes place within the Milky Way galaxy during the 22nd century, where humanity is threatened by an insectoid alien race known as the Collectors. The player assumes the role of Commander Shepard, an elite human soldier who must assemble and gain the loyalty of a diverse team to stop the Collectors in a suicide mission.
With the use of a completed saved game of its predecessor, the player can impact the story of the game in numerous ways.