If you are interested in sudoku and logical puzzles, this is the official and the most reliable page. You can expect tips for puzzle events, online solving
The World Puzzle Federation is an association of legal bodies with an interest in puzzles. Only one organization per country can belong to the WPF. The WPF follows the Olympic standard in what constitutes a country. Information on present members, criteria for membership, benefits of membership and how to join, is to be found in the official webpage. The objects of the federation are:
• to superv
07/08/2026
THE LAST SUDOKU GP IN 2026 HAS STARTED
Dear sudoku friends, the WPF Sudoku GP Instruction Booklet for Round 2 by Julien from France has been released, and the competition is open until Wednesday.
Enjoy! https://gp.worldpuzzle.org/content/instruction-booklet
If you are not familiar with the competition procedure, please check the Instructions for solving site - https://gp.worldpuzzle.org/content/instructions-solving
31/07/2026
Dear players, just a reminder that you still have two more days (until Sunday) to compete in WPF Puzzle GP R7. We wish you the best of luck!
https://gp.worldpuzzle.org/content/competition-puzzles-2
PUZZLE GP R7 POSTPONED BY 12h
Dear players, unfortunately, we had to postpone the start of the WPF Puzzle GP Round 7 by 12 hours. The competition will be extended by two days until Friday (July 31). We are sorry for all the inconvenience.
https://gp.worldpuzzle.org/content/wpf-puzzle-gp7-postponed-start
Feel free to check the Instruction Booklet with sample puzzles by then: https://gp.worldpuzzle.org/content/instruction-booklet-2
25/07/2026
The 2026 World Junior Sudoku Championship is being held in Beijing, China, this weekend.
There are individual competitions across U8, U10, U12, U15, U18, U23 age groups, Open and team competitions.
The organisers have also arranged many puzzle activities and city tours for the children and parents after the competition. ✏️
We will be back with the results after the event.
24/07/2026
GP PUZZLE ROUND 7 HAS STARTED
Thanks for your patience, we wish you the best of luck with the puzzles!
PUZZLE GP R7 POSTPONED BY 12h
Dear players, unfortunately, we had to postpone the start of the WPF Puzzle GP Round 7 by 12 hours. The competition will be extended by two days until Friday (July 31). We are sorry for all the inconvenience.
https://gp.worldpuzzle.org/content/wpf-puzzle-gp7-postponed-start
Feel free to check the Instruction Booklet with sample puzzles by then: https://gp.worldpuzzle.org/content/instruction-booklet-2
24/07/2026
PUZZLE GP R7 POSTPONED BY 12h
Dear players, unfortunately, we had to postpone the start of the WPF Puzzle GP Round 7 by 12 hours. The competition will be extended by two days until Friday (July 31). We are sorry for all the inconvenience.
https://gp.worldpuzzle.org/content/wpf-puzzle-gp7-postponed-start
Feel free to check the Instruction Booklet with sample puzzles by then: https://gp.worldpuzzle.org/content/instruction-booklet-2
02/07/2026
World Junior Sudoku Championship is nearly here, do not hesitate to register! https://wjsc.scimall.org.cn/
💡The 2026 World Junior Sudoku Championship will take place in the Shijingshan District of Beijing, China on 24-27th July 2026. 🇨🇳
The competition is divided into 5 age-groups: U8, U10, U12, U15 and U23. There will also be an Open category. Registration is now open. If you would like to participate, please contact the organisers at: [email protected]
If you need help from your nation's WPF representative. Find out your country's membership details here:
https://worldpuzzle.org/members/wpf-members
If your country is not listed or you have any trouble getting in touch with your country's representative. Please contact us at [email protected]
More details can be found in the official website:
https://wjsc.scimall.org.cn/
03/06/2026
Dear puzzle lovers, the WPF Puzzle GP Round 5 is extended until Friday midnight (GMT+1). We apologize for any inconvenience, and hope you will find your time to enjoy the Japanese puzzles by then.
27/05/2026
💡The 2026 World Junior Sudoku Championship will take place in the Shijingshan District of Beijing, China on 24-27th July 2026. 🇨🇳
The competition is divided into 5 age-groups: U8, U10, U12, U15 and U23. There will also be an Open category. Registration is now open. If you would like to participate, please contact the organisers at: [email protected]
If you need help from your nation's WPF representative. Find out your country's membership details here:
https://worldpuzzle.org/members/wpf-members
If your country is not listed or you have any trouble getting in touch with your country's representative. Please contact us at [email protected]
More details can be found in the official website:
https://wjsc.scimall.org.cn/
18/05/2026
Dear sudoku and puzzle innovators!
Following the success from 2017, the Indian team has launched the second edition of the Puzzle Innovation contest. You only have time until May 31, so do not hesitate to take part and join the contest with your best inventions.
For more details, check the LMI forum: https://wspc2026.logicmastersindia.com/forum/forums/thread-view.asp?tid=7501&posts=1&start=1
10/05/2026
An event of this calibre could not have happened without the efforts of the organising team. Thank you for hosting us in Bratislava!
We look forward to the European Sudoku Championship remaining a cornerstone of the international puzzle calendar for years to come.
Next stop is the World Championships in Kolkata, India in October. See you there!