The battle to save the galaxy rages on and a familiar foe returns in the largest downloadable content pack to-date for Mass Effect 3 multiplayer. Available to download at no additional charge, Mass Effect 3: Retaliation ups the challenge by adding treacherous environmental hazards to existing maps and will introduce the infamous Collectors as a new enemy faction in multiplayer. Mass Effect 3: Retaliation is currently available for download on Xbox LIVE and the Origin client software and on PlayStation Network.
-Nate Biller