The project experimentalgameplay still continues. They wrote a paper called: How to Prototype a Game in Under 7 Days. It was written by four grad students, who has made more than fifteen games in one semester.
“Rapid prototyping can be a way of life!”
The paper list some very interesting insight, for example “Enforce Short Development Cycles (More Time != More Quality). You only need a few days. It seems like a natural and comforting thing to say, ‘Hey we made a great game in one week. Therefore, if we spend TWO weeks, it will be TWICE as good!’ Of course this isn’t the case.” or “Gather a Kickass Team and an Objective Advisor – Mindset is as Important as Talent”. Keep on reading there.