The current App Store listing looks like it went back to January 29. Unless something happens on their side, y'all should start seeing this roll-out worldwide in just over 24 hours.
It should be released tomorrow. Developers told me that they will send TestFlight one day prior to the release and I have just finished the game XD
Actually, you can stick on one particular puzzle, which can be solved by trial and error. Or maybe logic, I dunno.