Over All puzzles have a single solution.
Choose a difficulty rating:
| Easy - Gentle stuff - most can be solved by crosshatching alone. |
| Moderate - A bit harder - you'll need to know about pairs and the like. |
| Hard - Tougher - understanding number-claiming is useful. |
|
Really Tough - Serious - you'll need to know all the tricks. and if these aren't puzzling enough, you could try: |
| Outlaw - These puzzles defy the basic logic in our solver program. They may require guesswork - but they may not. Try them if you're tough enough! |
Still puzzled? See How To Solve Sudoku. |
(Please note - pages may take some time to load, while the puzzle images are being generated.)
(c) Paul Stephens 2005. All rights reserved.
The puzzles in this gallery were generated by Random Sudoku @ paulspages.co.uk, and are licensed for personal use only.