Battle as Commander Shepard on many worlds across the galaxy as you unite the ultimate force to take back the Earth before it's too lateEnormous enemies and take on a smarter type of foe that will consistently challenge your best combat tactics and put you on the edge of your seatCustomize your Commander Shepard your squad and weapons to engage the enemy on your termsAllows the option to import decisions from both of the previous games into the new game but can also be played as a standalone gameExperience a new emphasis on melee combat movement and an improved cover system