Thanks to a slight hiccup, we get a window into the way you'll be able to play.
With the announcement of Mass Effect 3 getting online co-op multiplayer, it was only a matter of time before news of a beta would emerge, especially with EA’s huge push for beta tests as pre-order incentives. The modern age of beta tests are far different from the Wild West of the PC scene of the 90s and early 2000s, however, and when the Mass Effect 3 beta accidentally got leaked last week BioWare was quick to issue some damage control, reminding people that the version of the game leaked out is in a rough, unfinished state.