A reminder about tickets for SudokuCon 2026 in Manchester, UK! It's Thursday 30 July through Sunday 2 August and you can get your tickets at sudokucon.com/tickets. We'll be livestreaming the Con, too, and tickets to view the stream will go on sale later. Come join us!

Join us today at 2:00 PM Eastern (6pm UK/7pm Europe) as arctan and the_cogito get their competitive hats on in a host of head to head setting games. It's time for "Battle of the Setters" at www.twitch.tv/sudokucon

SudokuCon 2026 tickets are now on sale!! Join us in Manchester, UK from July 30 to Aug 2nd. Information is at tinyurl.com/SC2026Tickets

Join us for Anatomy of a Puzzle over on SudokuCon's channel, featuring me and ChinStrap! #VTuber #VSky #ENVTuber twitch.tv/sudokucon

Did you miss our annual 24h livestream from November 2025? We have you covered! We have been releasing segments from throughout the stream at our YouTube channel! Find these and all other past stream content there! www.youtube.com/@SudokuCon

Are you interested in SudokuCon 2026 in Manchester, UK? Fill in our survey to get advance notice of when tickets go on sale - and to let us know what you would like to see! docs.google.com/forms/d/e/1F...

New Year, new streams! Malrog will be hosting a Battle of the Setters with dumediat and Shintaro Fushida-Hardy. Join us at www.twitch.tv/sudokucon in 30 mins!

Clover & Gliperal developed an awesome #Celeste & Penpa mod that requires the #Sudoku solver to input a correct digit in order for the Celeste player to get a dash, and they had me commentate for them while they did a speedrun with this for @sudokucon.bsky.social! www.twitch.tv/videos/26132...

It's almost time for the third annual 24h SudokuCon livestream! Starting next Saturday, November 8 at 3:00 PM (East US time). We have a whole bunch of Sudoku-related activities planned as well as information about SudokuCon 2026! Come and join us at: www.twitch.tv/sudokucon

We're right back with another stream this Saturday, October 25, 2025 at 3:00 PM Eastern US time. Come and join Juggler and Myxo for the latest in our "Anatomy of a Puzzle" series. Only at www.twitch.tv/sudokucon

Mark your diaries for our next Twitch stream this Saturday October 18, 2025 (11:00 AM Eastern US time) as Glum Hippo invites you to come explore the impossibly vast world of SNAKE EGG patterns and how they reveal enticing possibilities for novel puzzle creation. www.twitch.tv/sudokucon

Join us tomorrow at SudokuCon Twitch for Anatomy of a Puzzle! James Sinclair will be solving a puzzle (or two) by the legendary Marty Sears as we go behind the scenes into the setting process! Information at www.twitch.tv/sudokucon

Breaking news: SudokuCon 2026 is officially on, and will take place at theStudio, Manchester, England from Thurs 30 July (evening) through Sunday 2nd August. We hope you're as hyped as we are! Tickets will likely go on sale in early 2026. Watch this space for future updates!

We're continuing to post videos of the various sessions from SudokuCon 2025 over at our YouTube channel. Today's release was a workshop on Puzzle Visuals with Juggler and Palfly Kampling. Catch it here! www.youtube.com/watch?v=-6D5...

Be sure to check out the SudokuCon YouTube channel (www.youtube.com/@SudokuCon) as we continue to release video of the SudokuCon 2025 sessions. Next drop will be tomorrow at 12pm Eastern US Time/5pm UK time.

Let your Pride flag fly and join ChattyKathy and Palfly Kampling as they solve some of the Puzzler Pride Pack, a compilation of puzzles to celebrate Pride Month and the LGBTQ diversity in the community! www.twitch.tv/sudokucon

For those of you who couldn't attend SudokuCon 2025, we're happy to announce the release of livestream videos - beginning with this introductory setting workshop on how to make the best sudoku snacks! Stay tuned for future videos on setting, solving, and puzzle theory! youtu.be/v_B2MAKae4c?...

Our next stream is this Saturday June 28th at 3.30pm East US /8.30pm UK/9.30pm Central Europe. Join ChattyKathy and Palfly Kampling as they solve some of the Puzzler Pride Pack, a compilation of puzzles to celebrate Pride Month and the LGBTQ diversity in the community! www.twitch.tv/sudokucon

Missed the stream? You can still watch the VOD at SudokuCon's twitch account or now can catch it at our YouTube channel: www.youtube.com/@SudokuCon Be sure to subscribe for regular alerts!

Join us in 40 mins at www.twitch.tv/sudokucon for "Anatomy of a Puzzle" as Malrog tackles a puzzle by Tallcat. Together, they will take a deep dive behind the scenes of the setting process to highlight the quirks and curiosities, and to discuss the good, the bad, and the ugly!

A major highlight of SudokuCon was the talk by three-time sudoku world champion Thomas Snyder on his experiences as a competitive solver. After the Con, Thomas re-recorded and posted his talk over on YouTube and we can highly recommend it! www.youtube.com/watch?v=ogUr...

One of the most intriguing sessions at SudokuCon was the "Just One Cell" competition hosted by Thomas Snyder (three times sudoku world champion) and Clover. This neat twist on sudoku solving was great fun and Thomas has been posting these puzzles at his Grandmaster Puzzles blog: gmpuzzles.com/blog

Join us for the first of (we hope) a recurring series on SudokuCon Twitch (www.twitch.tv/sudokucon) at Saturday, June 14, 2025 at 3:30pm (Eastern US time)/8.30pm (UK time) Anatomy of a Puzzle: Discover more about setting and solving as @Malrog tackles a puzzle by @Tallcat.

You might not know it but SudokuCon has a Twitch channel (www.twitch.tv/sudokucon). With the next Con some time away, we are planning to host some live streams and while we have a few ideas of our own, we want to hear from you too! Comment below about what puzzle content you want to see!

With a wrap on SudokuCon 2025, we are starting the planning for next year! With that in mind, we are actively soliciting proposals for a location for SudokuCon 2026. If you're interested and want to weigh in, hop onto the SudokuCon discord (discord.gg/rNNn46aQS2)!

If you were at SudokuCon 2025 and had a good time, don't forget to subscribe to our YouTube channel as well! We have a host of past videos and content for you to enjoy - and we hope to post more in the future! www.youtube.com/@SudokuCon

And SudokuCon 2025 - the first ever!!! - is in the books! Thanks to everyone who was able to join us - either online or in person - and to all the presenters!! This was an unforgettable experience!

Starting out the final day of SudokuCon with some crazy theory talks from Mitchell Lee and Philip Newman!

For the final Saturday session, we had the treat of listening to three time Sudoku World Champion Thomas Snyder. Competition stories, and tips and tricks to solve like a World Champion!

The moment that the SudokuCon quilt was finished!

Fascinating presentation from Timberlake at Smart Hobbies on how to build great puzzle packs!

Have you ever wondered how it is for 81 people to solve a sudoku at once? We're finding out at SudokuCon!

Next up for SudokuCon is @zetamath.bsky.social giving a talk on the Math of Puzzles!

@sudokucon.bsky.social day 2 is on now with @rangsk.bsky.social , @sirxemic.com , and @killroy.bsky.social ! #SudokuCon #9x9

Day two of SudokuCon is underway - with a panel on sudoku solvers and tools with Rangsk, Sirxemic, and Sven! You can check out the rest of the days schedule here: sudokucon.com/schedule

Wrapping up a successful first day of SudokuCon with a three way livestream solve - with Lucian, ChattyKathy and NellGwyn - all solving on the same grid at the same time!

Getting to meet so many members of the sudoku community in one place is a surreal and fun experience - topped only by getting the chance to hobnob with Zack the digit dancing penguin from the Zetamath streams!

SudokuCon starts now!! @sudokucon.bsky.social

What would a SudokuCon be without a giant interlinked forty puzzle grid?! Come along and add a digit or two!

The First SudokuCon is here!! We are excited to host everyone in Boston, MA and are looking forward to the next three days of puzzling fun! Tickets are still available for access to SudokuCon livestream. Information is here: sudokucon.com

The 2nd annual 24-hour SudokuCon livestream starts THIS SATURDAY at 6:45 PM US Eastern time, including the official launch of ticket sales! Join us at twitch.tv/sudokucon for 24 hours of solving, setting, and shenanigans!

We're very busy preparing for the second yearly SudokuCon 24-hour livestream. But did you know that we're holding *another* endurance solving stream before that one? Starting 12:59:59 AM US Eastern time on September 21 at twitch.tv/sudokucon

Please join us this Saturday, July 27, at 3pm US Eastern time for a setting stream featuring Niverio, Rockratzero, Clover, and Tallcat! twitch.tv/sudokucon

Planning stream happening now! Please come join us! twitch.tv/sudokucon

Hi friends! Please join us at 3pm on Saturday, US Eastern time, for a planning/brainstorming stream! This is a good way to generate enthusiasm for the things you'd like to see and do at the con, and help us with our planning process :) twitch.tv/sudokucon

Come solve word puzzles with Glum Hippo over at twitch.tv/sudokucon - starting right now!

Hello! Our friend Glum Hippo will be taking over the SudokuCon Twitch channel (twitch.tv/sudokucon) starting at 3pm US Eastern time, April 21, to teach us all about non-crossword word puzzles. Be there!

Our first off-season stream of the year is starting RIGHT NOW at twitch.tv/sudokucon ! Come hang out and design some puzzles with birthday boys Tallcat and Malrog!

Join us for the first stream in our off-season series - a cozy birthday sudoku setting stream with renowned puzzle designers Tallcat and Malrog! April 7, 3pm US Eastern time at twitch.tv/sudokucon !

Thank you to all who donated and tuned in to our 24-hour fundraising livestream. We exceeded our goal, raising $5555.55 in support of getting SudokuCon up and running for 2025. Stay up-to-date with events, updates, and announcements on any of our socials or our website. 🌐🔗 sudokucon.com