Possibility to choose size of cube from 3^3 to 9^9.
The choice of complexity from 1 to 9 (a certain analogue of the probability of an empty cell from 10% to 90%).
As the level of complexity increases, several solutions appear, but only the one that was originally generated will be true!
Since In this version of Sudoku there is a choice of size, the rule of small composite squares 3x3 as part of a full 9x9 does not actual.
There are ghost cubes that confuse and turn the numbers. Although, thanks to the scanner, they are easily detected.