Contact Us

Now the site has become so popular we have been overwhelmed by people suggesting solve methods, to the point where we can't cope - sorry!

If you have a general question about Sudoku please visit Sudoku Players Forum

If you have a new solve method you want to discuss please visit the Sudoku Programmers Forum

If you have a some Javascript code you want to submit, or an important message (like you've found a bug in the program), please send an email to

Please note that if you want to have a crack at writing some code, please contact us to check that someone hasn't already sent something in that already covers the area you want to develop.

Your understanding is appreciated!