This sounds like a cool one-time solve. Solving high level traditional sudukos is mostly about learning "rules" (like The Phistomefel Ring). I imagine the equivalent in 3d would be too complex for a human to parse.
Don't get me wrong, there is probably some niche of players who would like that, but I wasn't going to do the last 90% of polishing a game, writing a solution evaluator, and probably having to play it a ton just to finish it off.
I did end up getting some interviews based on the game. It's amazing how well it worked for the games industry where they have well over 90% of people applying with nothing tangible to show on their resume or portfolio.