Mass Effect 3

Mass Effect 3 is the upcoming sequel to Mass Effect and Mass Effect 2 developed by BioWare for the PC, PlayStation 3, and Xbox 360. It is meant to be the last game in the Mass Effect trilogy. Mass Effect 3 will be released March 6, 2012, it was announced during the E3 2011. BioWare plans to release a demo of Mass Effect 3 in January 2012. The demo will contain single-player and cooperative multiplayer content. Those who purchase a copy of Battlefield 3 will be able to gain early access to the multiplayer in the demo.

"Earth is burning. Striking from beyond known space, a race of terrifying machines have begun their destruction of the human race. As Commander Shepard, an Alliance Marine, your only hope for saving mankind is to rally the civilizations of the galaxy and launch one final mission to take back the Earth."
                                                                                                           -Official Plot Summary

Throughout Mass Effect 3, Commander Shepard will be bringing the civilisations of the galaxy together as allies to take back Earth and fight the Reaper invasion. The player's choices in the entire trilogy, will affect the fate of these civilisations and the endings the player can get.

As in the previous games, Commander. Shepard will be able to recruit people that can follow Shepard into battle. You also get to choose how your character will be.