Portal goes free on Steam until September 20
By Khalil Daou on September 17, 2011
Valve’s classic puzzler now available free for PC and Mac.
If you haven’t got the chance to test your puzzle-solving skills with Portal, Valve’s original outing of the acclaimed franchise, now it’s your perfect chance to do so – for free.
As part of its “Learn with Portals” initiative, Valve is offering the PC and Mac versions of Portal via Steam completely free of charge, though it’s for a timely limited manner, as the offer runs until September 20.
If for some reason whatsoever, you didn’t play the original Portal in the past four years, go get it, now.
There’s also a video explaining what is the “Learn with Portals” program, check it out below.
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