Free Portal on Steam!

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Credit goes to Anton Belev and 3Dvision-blog.com for discovering this gem.  It's a few years old, but Steam users can get the game for FREE until May 24th!  Yes, FREE!

Anton also created special setting recommendations for NVIDIA GeForce 3D Vision users.  Check it out!  Please share your own Portal experiences below, and be sure to submit your results to MTBS' 3D Game Analyzer!