SudoKoach
SudoKoach makes solving sudoku puzzles more fun... SudoKoach generates puzzles with six different levels of difficulty, so you don't have to wait for tomorrow's newspaper tostart solving...SudoKoach doesn't solve the puzzle for you, it simply figures out which numbers are possible in each unsolved cell...Why not download SudoKoach and try it out? It is a lot more fun to use than it is to read about!