"Everyone is invited to play," publisher Ubisoft explained via its amusingly named UbiLeak Twitter. "All you need is a Steam account."
Word of the open beta was accompanied by a new trailer that examines the changes made since the last multiplayer beta. As for the final retail version of R.U.S.E.--headed to PC, PlayStation 3 and Xbox 360--it's now slated to arrive circa June 3, 2010. BOOM video 4274