I present you an Hyper Sudoku 3D puzzles (Rules of Sudoku 3D). This puzzle is made of two 4x4x4 cubes, with irregular shaped region, then you must use numbers from 1 to 8. Just to remind that a row or column has 8 cells and spans on two faces on a cube but when two cubes are touching, like in these cases, a supplementary row or column is created when the two faces from two different cubes are meeting.