Sudoku seems so timeless that you'd be forgiven for thinking it's ancient, like backgammon and chess, but it originated in 1986, so it's newer than "Thriller" but older than the World Wide Web. Based on numbers, it's totally independent of language or culture, helping propel it to global popularity in newspapers, magazines, and software. Sudo Sudoku Puzzle Game is a free sudoku game offering classic sudoku puzzles in three levels of difficulty.
The puzzle's layout is very simple: a square, divided 3x3 into nine squares, each with nine squares itself. The numbers 1 … Read more