Cryptic Coin (Arrow Kropki Sudoku) (ft. Tyrgannus)
(Published on 9. September 2022, 09:00 by Agent)
This puzzle is a collaboration between Tyrgannus and myself. The core concept is inspired from Tallcat's Four Corners series. This variation introduces an irregular twist with a symmetric and minimalistic grid that we are very proud of. I hope you will enjoy! There are some very challenging steps in this puzzle, but I think every intended deduction is fair and hopefully rewarding as well.
Rules
- Normal irregular sudoku rules apply.
- Digits cannot repeat on the indicated diagonals.
- Digits along an arrow must sum to the digit in that arrow's circle.
- Cells separated by a black dot have a ratio of 1:2. Cells separated by a white dot are consecutive. Not all dots are necessarily given.
Puzzle links
Have fun solving!
Solution code: Row 9 (left to right) then column 7 (top to bottom)
Comments
on 24. October 2024, 14:27 by Christounet
Cool tricks. Thanks :)
on 27. March 2024, 16:11 by Piatato
Very nice grid, cool interactions!
on 28. September 2023, 12:45 by madhupt
Great setting again Agent! I went down the high-low-parity-coloring way after the break-in. Don’t know if it was the intended solve path but it worked for me. Thanks a lot for sharing!
on 28. September 2022, 19:18 by Silverstep
Very nice puzzle. Aside from the geometry tricks at the start, the rest of the solve is simple and relaxing. Should be about 3 or 3.5 stars difficulty.
-- Thank you @Silverstep! Glad to hear you enjoyed our collab puzzle. I can see how the puzzle may be a lot easier if you know where to look.
on 18. September 2022, 00:22 by DaniK
What a ride! I had a lot of fun solving this one. I struggled a lot but it was totally worth it. Thanks for setting such a nice puzzle.
-- Thank you @DaniK! Happy to hear that :)
on 14. September 2022, 01:44 by Samish
Wow ! It's one of my favourite irregular sudoku. I didn't find it too hard but extremely beautiful and pleasant to solve. Thank you !
-- Thank you @Samish, I'm very glad that you enjoyed it so much !
on 11. September 2022, 00:41 by Agent
Thank you @Snookerfan @OutOfMyMindBRB @thoughtbyte @Niverio @tesseralis @Fool on Hill for the kind comments! Tyrg and I are very grateful that this puzzle was well received overall. I hope you all enjoyed discovering the tricks that allow this puzzle to be unique, despite a very sparsely populated layout.
on 10. September 2022, 17:22 by Fool on Hill
Magnificent. Took some unravelling, but every step logical and hugely satisfying to finish.
on 10. September 2022, 00:26 by tesseralis
a deserved addition to the Four Corners Expanded Universe
on 9. September 2022, 22:58 by Niverio
A miracle grid
on 9. September 2022, 21:04 by thoughtbyte
Very nice with some fun deductions to discover - also very tough but fair. Thanks!
on 9. September 2022, 17:44 by OutOfMyMindBRB
Very nice puzzle - both symmetry and solve - nice flow after the break-in - thank you :-)
on 9. September 2022, 16:58 by Snookerfan
Incredible puzzle, the break in was very good, which took me ages to find! After that there was a nice flow. Thank you so much.
