Royal Sudoku 1.0 A complicated version of sudoku game destined for real kings of puzzles Royal Sudoku is complicated version of sudoku game destined for real puzzle kings. Game is based on Japan puzzler also known as Suduko, Sudoko, Su do ku, Sodoku, Suduku. In it you must to compare numbers on game board to make them according the rules. Lets repeat history of this puzzle. The game refers to a ..