The commercial games Portal I and II are considered by many gamers as two of
the best games ever made. But did you know the academic prototypes of these
games developed at the DigiPen Institute of Technology, Washington, still
exist and can be downloaded for free? And according to our Games Editor
George_J, they are stunningly good. If you love gaming you wont want to miss
these.
http://www.techsupportalert.com/content/freeware-game-week-making-portal-i-ii.htm
