Portal free for PC and Mac until September 20th
Sep 16 2011, 11:33 am
Valve is offering the first Portal game free for both PC and Mac until September 20th as
part of their educational efforts
the game's Steam page
Sep 16 2011, 12:23 pm
You rock AC, thanks!
Sep 16 2011, 5:37 pm
I got portal free last time ( when it came out for MAC I think ), however I would like to thank you for posting these alerts, the info isn't usually something I come across otherwise.
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