portal

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Last week Valve announced that gamers could unlock Portal 2 earlier than the projected Tuesday 19 th release date by playing 13 indie games that they bundled together to make The Potato Sack .

Valve’s Portal 2/Potato Sack Promotion Gets Mixed Reactions | Gnews

http://gnews.com/valves-portal-2potato-sack-promotion-gets-mixed-reactions-15201133041418/

Free Portal 2 DLC for Everyone! | Gnews

http://gnews.com/free-portal-2-dlc-for-everyone-11201156055903/ For fans who cannot stop thinking with portals, you’ll be happy to know that Valve’s hotly anticipated first DLC (Downloadable content) pack for Portal 2 will be available entirely free of charge. That’s regardless of whether you have a PC, PS3 or Xbox 360 version of the game. (08/19/11) UPDATE: It’s here!
by Varsity on Jun 24th, 2011

Portal Mod DB

http://www.moddb.com/games/portal