Your title screen does rock, but "Riddle"? Why not "The Mystery of Murasame Castle", or just "Murasame Castle"?
"Nazo no" means "mysterious", not "mystery of".
Yeah, uh, that's what someone told me the title meant back when I was thinking about translating it. It really bugs me, but I don't know if I want to make a whole new patch release just to change it. Plus, I don't know if InVerse would want to design a new title screen for it anyways.
See? Even
more reason to put it in the Hacks section!