Welcome to Crossnumbers Quarterly
A puzzle world where digits and numbers rule as opposed to letters and words.
CQ15 was emailed to all subscribers on Saturday 27th June. So catch part III of the murder mystery. In order to enter you must be a subscriber.
Check out the puzzles tab for new puzzles
New for 2020
The Wizards of OZ have set a four part whodunnit mystery puzzle for 2020. There is a prize of £100 for the first correct solution drawn from the correct entries. The only catch is that you must be a subscriber in order to enter!
CQ12.Please check the CQ errata tab for update
The launch issue is free and is still available to anyone interested.
If you are interested in receiving a free copy then please contact us. Please note that there is only an electronic version.
Contact us at
If you have a puzzle that you wish to have considered for publication then please send it to either Oyler or Zag at our respective email addresses. We require a file that contains the puzzle and a separate file that contains the solution along with a possible solution pathway. We will pay £25 for each puzzle published.
Challenging Crossnumber Puzzles
Over sixty puzzles to entertain, frustrate and exercise the brain.
Copyright. All the puzzles published are the copyright of the setters and may not be copied or redistributed in any form.