I don’t know how long this deal will last, but I just saw on Dealnews that Portal, the popular puzzle video game from 2007 for Mac and PC, is available as a free download through Steam. More information here: Portal on Steam.
Jason W. Ellis
I am an Associate Professor of English at the New York City College of Technology, CUNY whose teaching includes composition and technical communication, and research focuses on science fiction, neuroscience, and digital technology. Also, I direct the B.S. in Professional and Technical Writing Program and coordinate the City Tech Science Fiction Collection, which holds more than 600 linear feet of magazines, anthologies, novels, and research publications. View all posts by Jason W. Ellis