I still believe that we need to look into the NASA website a bit more in depth. Mission 31 launched
today, meaning that maybe the GDC worked with NASA when creating this hint. On the blog, it even says that this hint is really good. I would assume that what they mean by that is that it is a very interesting/complex hint. The website is:
http://www.nasa.gov/mission_pages/st...n31/index.html
This is one of the first few links that you get on Google when you search 31, the only repeating isolated number in the chain of code. This might very well be worth looking into, because it is plausable that the GDC decided to to another NASA themed game, similar to Lunacy, and looking at it from a worldy aspect, NASA recently lost government funding, they could use some promotional events to help them sustain in the upcoming years, unless the world ends today.
This definantly could be a substancial lead in understanding the meaning of this hint.