Portal 2, Valve Software, the Valve Software Logo, Electronic Arts and the Electronic Arts Logo are among the trademarks of Valve Software and Electronic Arts.

Portal 2

Status released
Release 04/19/2011
Type Action Cooperative Singleplayer Adventure Multiplayer
Platform PC PlayStation 3 Xbox 360 Linux Mac
Website http://orange.half-life2.com//po…
Developer Valve Software
Publisher Electronic Arts