Yes, yes, the rumors are true. Mass Effect 3 is boldly going where no series entry has gone before it: the Internet. If you're worried that BioWare's mindlessly running and gunning for Call of Duty's throne, though, you can go ahead and call off your precision orbital strike. Instead, Galaxy at War – as it's known – is a series of four-player co-op missions that can ultimately impact your single-player ending. Fortunately for those who'd rather keep the spotlight all to themselves, though, it's completely optional. Check out the trailer below for a full explanation that could only be better if it was read in FemShep's soothing you-just-wait-I'm-going-to-murder-you voice.