Mass Effect (Microsoft Xbox 360,‎ 2007) Complete with Manual

Mass Effect is a 2007 action role-playing game developed by BioWare and published by Microsoft Game Studios for the Xbox 360. It is the first game in the Mass Effect series, and takes place within the Milky Way galaxy in the year 2183, where civilization is threatened by a highly advanced machine race known as the Reapers. The player assumes the role of Commander Shepard, an elite human soldier who must stop a rogue agent from carrying out the Reapers' galactic invasion. The game involves completing multiple quests that generally involve space exploration, squad and vehicular combat, and interaction with non-player characters.  Planned as the first chapter of a trilogy, Mass Effect was developed over the course of three and a half years, and uses the Unreal Engine 3 as a groundwork. It was designed so that the player would assume the role of a central character that could make important decisions and impact the story of the game in numerous ways