"Mass Effect 3" is a science fiction action role-playing game developed by BioWare and published by Electronic Arts. It is the final installment in the Mass Effect trilogy, where players control Commander Shepard as they unite various alien races to combat the Reapers, a race of synthetic beings threatening all organic life in the galaxy. The game features a blend of third-person shooting and role-playing elements, allowing players to make choices that affect the story and character relationships. Players can explore different planets, engage in combat, and complete missions, all while managing the consequences of their decisions throughout the game.