Thank you! Someone told me this bug, i saw where the issue is from and already corrected it. I forgot to round position values after each moves which leaded to micro-shifts between moves, cause there is a bit of physics implied in the player controller.
I think the 4 squares for dice orientation is a good organic gameplay mechanic to play with as long as the rule is kept in a simple level design. I know for some people can have hard time visualizing the number of rotations before being correctly aligned, it's sort of like Rubik's cube solving logic, not everyone likes to rotate the thing endlessly before finding the correct position. Keep in mind that you need at least 6 squares to completely flip upside down a 6-unique-faces dice which is not really intuitive for people.