GCHQ's codebreakers voted this puzzle, designed by their Chief Puzzler "Colin", as the single best Puzzle Of The Year. We finally got our hands on a copy and tried to crack it... Our attempt took over 2 hours... Full video link in the reply below! @GCHQ #puzzleoftheyear

These are the halcyon days of sudoku. Tonight's puzzle features Phistomefel's NEW Ring! youtu.be/rbB6x0De6t8

Another candidate for Puzzle Of The Year tonight... this time from Marty Sears in the form of "Loopy Tiles", an exceptionally interesting and clever 6x6 sudoku that AI would get smashed by :) youtu.be/ulf2V1BtkGs #puzzle #ArtificialIntelligence

Two sudoku experts are back playing Lorelei and the Laser Eyes now... will they understand the story this week?! youtube.com/live/F2ikusun20c…

On Saturday James McGaughey created a crossword for the Grand Final of The Times Crossword Championship which stumped even the greatest solver of all-time! Today he returns in @thetimes with another Faberge Egg of a puzzle: youtu.be/UMWyu2wrm1E @Mickhodgkin @serpent_xwords

Two sudoku experts are playing Lorelei and the Laser Eyes now at the link below... it's quite funny... youtube.com/live/X_HhLgwQ1m8…

A magnificent puzzle from @thetimes today by Ed Hall! Here's our masterclass live-solving it: youtu.be/8BKS686nP4Q There's also news about tomorrow's Times Crossword Championship...! @Mickhodgkin @serpent_xwords

Simply one of the CLEVEREST things we've seen since the channel launched 9 years ago.... and we've seen a LOT of clever things. youtu.be/PRFPMOKxF3c

We're streaming Lorelei and the Laser Eyes now. Want to watch two "sudoku experts" attempting these puzzles?! youtube.com/live/V4FXmLFOi20…

We're streaming later but, in the meantime, check out this astonishing sudoku, Fireworks by SamuPiano. Look at how short the thermometers are... how can this solve?! youtu.be/9xevqS2yNVo

Here's our Friday masterclass solving today's @thetimes crossword. youtu.be/z5bQSNL-Mhs Sad news about @Independent ceasing their daily puzzle. Let's hope this gets reversed when they realise how popular cryptics are becoming. #minutecryptic @serpent_xwords @Mickhodgkin

Two sudoku experts are back playing Lorelei and the Laser Eyes... right now... love to have your company if you're free: youtube.com/live/MgskZaj-fkU…

We were shocked to hear that @Independent might stop publishing a daily cryptic crossword. In this bonus video, Simon solves their fantastic Sunday xword & hopes this won't happen (given the explosion of interest in the hobby due to minutecryptic etc). youtu.be/F_JI33hLR_8

An incredible crossword today in @thetimes by John Guiver! Here's our masterclass video - a privilege to solve it. youtu.be/J-hE6k9pUfE @serpent_xwords @Mickhodgkin #crossword #cryptic

Two sudoku guys are back playing Lorelei and the Laser Eyes this evening... love to have your company if you're free! youtube.com/live/WzD6MkTOZUs…

One of the great sudoku puzzles tonight on the channel. It's by Phistomefel and we think it would make an interesting @numberphile episode. Let us know @BradyHaran :) Link in the comment below.

He's BACK!! Phistomefel has made a new sudoku so it's beholden on us to try to solve it!! youtu.be/jFsMiAicuYc

Here's our Friday masterclass on today's @thetimes cryptic crossword! Lovely puzzle as always by Andy McCarroll with lots of interesting vocab... youtu.be/NZzlhHJucIY @Mickhodgkin @serpent_xwords #crossword

A fascinating crossword today from James McGaughey in @thetimes. Here's our masterclass on how to solve it: youtu.be/NjJYwykaO8k @serpent_xwords @Mickhodgkin #crossword

Two sudoku experts are back playing Loreleii and the Laser Eyes right now! Do join us if you're free: youtube.com/live/hj-J9oRDHOU…