Portal is free on both Mac and PC

Valve is giving away Portal through the Steam store (which is now available for Mac as well as PC as of May 12th). You can download it until May 24th.

store.steampowered.com/app/400/

What is Portal?

Sorry, apparently Im a n00b...

FSC

Portal is a PC game:-

en.wikipedia.org/wiki/Portal_(video_game

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