Quad Day
(Published on 2. August 2025, 14:45 by cygne)
Quad Day by Cygne
Rules
- Normal Sudoku rules apply.
- Quadruples: the digits in the circles must each appear at least once among the surrounding four cells.
Play in SudokuPad
My previous puzzle Pop Quiz! got me thinking quite a bit about quads with all even digits on them, and I thought I'd like to put together an easier puzzle that focuses more exclusively on that concept. Hope you enjoy!
Solution code: Row 9, left to right
Solved by jalebc, houellebecqqq, iamissam, hige, redgecko, GorgeousNicko, jadezki, killje, henter, fuxia, tiuhto, Zibl, SKORP17, BBoris, Matti64, tryote, Xinory, Philologos, zeha, Joyofrandomness, Mathemagier, ... Altynbek , astywast, TroublesomeOrca, IMAY1990, thintheboxking, severinus, fergus, caLiber, camiwhimsy, sandmoppe, toboed, MurtyQ, waldomiro, LycanKai, arteful, stinger10x, ezruhh, clem, webby
Comments
on 28. August 2025, 20:48 by SquareCat
Fun puzzle, thanks!
Last changed on 3. August 2025, 10:55
on 3. August 2025, 10:54 by abadx
Extenuating scanning exercise ;). 2 stars from me
on 3. August 2025, 08:03 by Peteronium
Thank you for this irritating puzzle :). Very easy, but also very easy to make mistakes; I needed 2 restarts. Loved it.
on 2. August 2025, 22:17 by sujoyku
Thank you for this nice puzzle, cygne!
on 2. August 2025, 17:56 by Matti64
very easy.
