Royal Sudoku is complicated version of sudoku game destined for real kings of puzzles. It's also known as Suduko, Sudoko, Su do ku, Sodoku, Suduku. In it you must to compare numbers on game board to make them a...
Good Old Sudoku1.0
The most popular logic puzzle in Japan. It is very simple to learn, requires no calculations, and provides a surprisingly wide variety of logic situations. The rules are simple. Each row, column and minibox com...