Clue Sudoku is a new way to enjoy this very popular puzzle. For the beginner there is the guarantee that you will never reach a dead end as you can always ask for another clue. For the more experienced solver there is the opportunity to choose exactly where the clues (seeds) are placed to give the best possible chance of solving the puzzle. Challenge yourself to solve the Sudoku puzzle with the minimum number of clues.

Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another Sudoku puzzle from random numbers.