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Science with Portal

• Birejji 15y ago
  If you would like to play Portal, Valve is offering the game for FREE (only until Sep 20): http://store.steampowered.com/app/400/ http://store.steampowered.com/app/400/
  • LearnYouALisp 15y ago
    Do you mean you can only play it until that day, or you can only install it by that day?
    • Birejji 15y ago
      Claim it by that day and it's yours forever