New Portal 2 Screens, Fresh From PAXMichael McWhertor9/03/10 7:30pmFiled to: PaxPortal 2ValvePCMacXbox 360PS3penny arcade expo 2010pax 2010198EditPromoteShare to KinjaToggle Conversation toolsGo to permalink Valve is at PAX this weekend, showing Portal 2's new multiplayer cooperative mode to the press and public. That means all-new Portal 2 media, fresh from the Penny Arcade Expo. Kotaku is at PAX 2010 right now and we've seen Portal 2 in coop multiplayer action. Impressions and video are on the way. For now, enjoy seven new screens plucked from Portal 2's coop mode. Advertisement Advertisement The game is targeting a February 9, 2011 release on the PlayStation 3, Xbox 360, PC and Mac.