The money must have run out ages ago, right? So it has to have been a huge burden for the Two Guys. I don't envy them. And it seems the Early Access game they finally released is broken and not very good.

I've read an article that guesses they must have attempted changing Unity versions at least a couple of times, partly because they couldn't figure out how to solve a savegame bug (still not working right!).

Somehow this reminds me of Duke Nukem Forever.