If We Make Another Book This Sudoku Should Be In It!

▶ OUR NEW ARROW SUDOKU APP IS OUT ON ALL PLATFORMS!
Here are the links:
Steam:
https://store.steampowered.com/app/16...
App Store:
https://apps.apple.com/us/app/arrow-s...
Google Play:
https://play.google.com/store/apps/de...

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Today's puzzle one of those "oh my goodness" sudokus that is just a quite remarkable treat. It's by tallcat and it's called Four Corners. You can play it at the link below:

https://app.crackingthecryptic.com/su...

Rules:
Normal sudoku rules apply. Digits along an arrow must sum to the digit in that arrow's circle. In cages, digits must sum to the small clue in the top left corner of the cage. Each main diagonal (marked in blue) cannot contain a repeated digit.

▶ NEW PUZZLE/SUDOKU HUNT IF WE REACH 5000 PATRONS!!◀
We've just released a really amazing puzzle/sudoku hunt by Matyas Martinka. We will publish a series of solution videos for the hunt tomorrow. Remember that we will also be releasing a new Murder Mystery Sudoku Hunt for everybody if we reach 5000 patrons.

  / crackingthecryptic  

▶ NEW CTC PODCAST - PILOT EPISODE ◀
You can listen to our new podcast at the links below.
Apple Podcasts: https://podcasts.apple.com/au/podcast...
Google Play: https://podcasts.google.com/feed/aHR0...
Spotify: https://open.spotify.com/show/4lr4ojq...

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▶ OUR NEW KILLER SUDOKU APP IS OUT ON ALL PLATFORMS◀
https://apps.apple.com/us/app/killer-...

https://store.steampowered.com/app/14...
https://play.google.com/store/apps/de...

▶ SIMON REACTION BOARD (!) ◀
With thanks to Andrea for creating this :)
https://simonreacts.avris.it/

▶ OUR MIRACLE SUDOKU APP IS OUT ◀
Steam: https://store.steampowered.com/app/13...
App Store: https://apps.apple.com/us/app/id15273...
Android: https://play.google.com/store/apps/de...

▶ CTC FAN DISCORD SERVER◀
  / discord  

NEW: Guide To Our Discord Server:
https://tinyurl.com/CTCDiscordGuide

▶ OUR BACK CATALOGUE – ALL CATEGORISED WITH LINKS!◀
https://tinyurl.com/CTCCatalogue

▶ OUR NEW THERMO SUDOKU APP IS OUT!◀
AppStore: https://apps.apple.com/us/app/thermo-...
Android: https://play.google.com/store/apps/de...
Steam: https://store.steampowered.com/app/13...

▶ NEW CRACKING THE CRYPTIC MERCHANDISE◀
https://teespring.com/en-GB/stores/cr...

▶ OUR CHESS SUDOKU APP IS NOW OUT!◀
AppStore: https://apps.apple.com/us/app/chess-s...
Steam: https://store.steampowered.com/app/12...
Android: https://play.google.com/store/apps/de...

▶TRY OUR CLASSIC SUDOKU APP◀
AppStore: https://apps.apple.com/us/app/classic...
Steam: https://store.steampowered.com/app/11...
Android: https://play.google.com/store/apps/de...

▶TRY OUR SANDWICH SUDOKU APP◀
AppStore: https://apps.apple.com/us/app/sandwic...
Steam: https://store.steampowered.com/app/11...
Android: https://play.google.com/store/apps/de...

▶SEND US PUZZLES TO SOLVE/CONTACT US◀
[email protected]

▶FOLLOW US◀
Twitter: #crypticcracking
@crypticcracking
Instagram (for how to solve daily clues from The Times): https://www.instagram.com/crackingthe...

▶SOFTWARE◀
Play the puzzle in the video by clicking the link under the video (above). We are building a website which will allow you to enter your own sudoku puzzles into the software and this is coming soon!

▶Logo Design◀
Melvyn Mainini

▶ABOUT US◀
Hi! We're Simon Anthony and Mark Goodliffe, two of the UK's most enthusiastic puzzle solvers. We have both represented the UK at the World Sudoku Championships and the World Puzzle Championships.

Thank you for watching!
Simon and Mark