Challenging Sudoku puzzle for Tuesday 21st January 2020 
- Solve the puzzle Online in your browser.
- Print out the puzzle.
- Show the Solution to the Sudoku.
- Try today's easier puzzle; moderately difficult or Word Soduku or Jigsaw Sudoku or Samurai Sudoku instead.
- Download the puzzle for solving with Sudoku Dragon on your PC.
- Look at previous daily challenging puzzles and their solutions.
- Add a comment about the puzzle to our online forums.
For a full guide to solving 'hard' puzzles such as this please see our step-by-step solution guide
“Logic is one thing, the human animal another. You can quite easily propose a logical solution to something and at the same time hope in your heart of hearts it won't work out.”Luici Pirandello (The Pleasure of Honesty) 1917 William Murray
For fast, unlimited generation and solution of Sudoku puzzles download and install Sudoku Dragon.
It is the complete Sudoku package, including hints, guides, easy printing and many puzzle generation options. Download our Sudoku puzzle solver for a free 23 day trial.
Please share your interest on Facebook, Twitter, Pinterest, Tumblr or Mix using the buttons. Please visit our (secure) contact page to leave any comments you may have.
Copyright © 2005-2019 Sudoku Dragon