The 20s are For Figuring Things Out
(Published on 21. August 2025, 06:04 by Justalilguy)
Rules
- Place digits 1-9 in each row, column and region without repeats.
- AntiKnight: Digits a knight's move apart cannot be the same.
- Extra region: Cells with a grey square form an extra region and digits do not repeat in the region.
- Palindrome Line: Digits an equal distance from the center of the grey Palindrome line are the same.
- Killer Cage: Digits in a killer cage do not repeat and sum to the small number in the corner.
Play online in Sudokupad.
Solution code: Row 3
Last changed on on 21. August 2025, 07:29
Solved by jalebc, jadezki, ManlyPebbles, Chelo, Fisherman, LeaVulpina, SKORP17, TaeChi, Joyofrandomness, by81996672, Exigus, Chipmunk, annnz, Megalobrainiac, Killer-Ly , jordanza, bcreturnee, SamWHE, Mip, ... misko, joelth, FireTruckFuel, Frank Puzzles, egglet, SpecSheets, jesterray, GWilliams00, Shmartus, sprinkle13, BellBear, ammiraglio, tiredsudoku, luuu, BlitzburghBrian, ariwizzard, dogfarts, Ryaffio
Comments
Last changed on 20. November 2025, 23:52
on 20. November 2025, 23:52 by ariwizzard
I'm honestly not sure how one is meant to do this puzzle; I did some truly horrible coloring that barely worked. Luckily I enjoy horrible coloring!
on 29. September 2025, 01:06 by FireTruckFuel
Don't forget about the knights move rule like I did!
on 5. September 2025, 00:49 by PancakePie
Harder than 3 for me, but beautiful and fun all the way through!
on 22. August 2025, 03:36 by Exigus
First some very nice coloring than a little bit of arithmetic, beautiful. Thanks!
on 22. August 2025, 01:51 by Fisherman
Very beautiful and very tough.
on 21. August 2025, 07:29 by Justalilguy
Fixed the link
