Mass Effect is an action role-playing game developed by BioWare and released for the Xbox 360 and Microsoft Windows in 2007. The game follows Commander Shepard, a soldier who must save the galaxy from a race of mechanical beings known as the Reapers. Players can customize their character's appearance,
From Wikipedia
Mass Effect is a military science fiction media franchise created by Casey Hudson. The franchise depicts a distant future where humanity and several alien civilizations have colonized the galaxy using technology left behind by advanced precursor civilizations.