3D Suduko Puzzle

Original Japanese Sudoku game with puzzles ranging from easy to very difficult. It is very simple to learn how to play, requires no calculations, and provides a surprisingly wide variety of situations where logic is needed. Children to the elderly can enjoy Sudoku as a pass-time. The game refers to a number placement puzzle also known as "Number Place" in the US. Complete the puzzle by making each row, column and 3x3 square contain the numbers 1 to 9. Numbers cannot be repeated in one line. The early Japanese title of this puzzle is "Suuji wa dokushin ni kagiru". But this title is long, then it was abbreviated as "Sudoku". "SU" means number, "DOKU" means single.