lol, mystery game x....
well, id actually assume its GK related (remake or 4).
I think we can rule out GM2 because thered be no reason to keep that secret.
And then theres been the recent news/rumors that they opened up talks about the GK license.
And obviously theyd need to have all the details of the licensing hammered out before they could announce it.
And really, what else would fans be really excited about that fit the description?
Anyway, this is a good move in general for kickstarter. The speculation of GK will certainly help us.