Murray, Janet H.. Hamlet on the Holodeck: The Future of Narrative in Cyberspace. New York, NY: The Free Press, 1997.
"Playing Fields: Myst, Tetris, and the Production of Simulated Space" (by T. Benjamin Buckley), and "Game/Genre: A critique of Generic Formulas in Video Games in the Context of 'The Real'" (by Zach Whalen).