* The second act of BioWare's epic sci-fi RPG trilogy continues the story of Commander Shepard and humanity's first steps onto the galactic stage.

* Integration with the original Mass Effect game allows players to import saved files and contiue play with those files in Mass Effect 2.

* Choose from 19 different weapons, including devastating heavy weapons that can end a battle in seconds.

* New location based damage system allows for targeting of key weak points, blasting off limbs, igniting enemies, or cripple and disable enemy troops.