Normal Sudoku rules apply. Digits separated by a chess kings or knights move must be different. Orthogonally adjacent cells cannot sum to five. Digits separated by an X sum to ten. Digits in cages sum to the number given.
https://sudokupad.app/jp1ut3gvpx
Solution code: The middle row of the puzzle.
Solved by Silentdodo, zonny, NineK, Postnormal, mabjim007, milxqueen, ElimGarak, AlexT74_NL, BULL-TT, Zimtzombie, SKORP17, keenbowl, PinkNickels, Onyx, jgarber, DaFunkyMonk, Merovius, dielilla, apendleton, ... Titatovenoor, paranoid, Elizy, DutchMark, stafen, BlackApolloX, jalebc, moss, claire38, Usagi101, Javier Rebottaro, IMAY1990, Don_Huan, jde1025, Yukii, Terrapin, Jrgamer4u, TheGreyBrewer, jimblek
Comments
on 28. February 2026, 11:38 by IMAY1990
Really fun puzzle.
on 17. January 2026, 05:34 by TeddieMilo
Fun! Tq!
on 15. January 2026, 04:10 by macintux
Very nice, I’m a big fan of negative constraints.
Last changed on 14. January 2026, 21:11on 14. January 2026, 21:10 by Rollo
Once more I can't see an puzzle :-(.
on 14. January 2026, 20:41 by Dean
17:23 Another enjoyable puzzle.
on 14. January 2026, 19:19 by ElimGarak
For people familiar with the rules this is more like 1 star.
on 14. January 2026, 18:21 by faltenin
Nice speedrun. Had to go back at the end for disambiguation, no V.