Portal is free on Steam till the 20th
 

completely stolen

Promotion site: http://www.learnwithportals.com/

Article: http://kotaku.com/5840920/for-the-ne...portal-is-free

Link: http://store.steampowered.com/app/400/

Bumped

I don't use Steam or really do any PC gaming at all outside of the occasional Diablo 2 session, but good lookin' out