New! Sixy Sudoku: www.sixysudoku.com
Sixy Sudoku offer all the fun of regular sudoku, but without the time consuming hard work. Because only digits 1-6 are used, there is instant overview, making errors unlikely. The extra layer of logic makes you think quite hard, but even the toughest Sixys still take much less time than 9x9 sudoku! We offer both books and a free app.