Mass Effect 2 'Arrival' DLC launch trailer is downright apocalyptic

We've seen a lot of things at stake in the intergalactic drama of Mass Effect 2 -- but nothing quite as costly as, well, our planet. Check out the trailer for tomorrow's "Arrival" DLC to see the ugly, ugly faces of Earth's conquerors and the steps you'll be taking to foil their nefarious plan.

This article was originally published on Joystiq.