Volvox
(Published on 24. June 2025, 23:02 by rockratzero)
Volvox
Normal sudoku rules apply (fill each row, column, and 3x3 box with the digits 1-9 once each), and all clues are standard.
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Thermometers: digits on thermometers increase from the bulb.
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XV Pairs: digits in cells separated by an X sum to 10; digits in cells separated by a V sum to 5. Not all dots are necessarily given.
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Exciting Announcement
I am launching a variant sudoku puzzle book on Kickstarter 15 Aug. If you've been enjoying my puzzles, please consider supporting it! More Info Here

Solution code: Digits in Column 4, top to bottom
Last changed on on 8. August 2025, 19:49
Solved by Greg, M8tyw31, milxqueen, kkli, elsmysteryworld, Matti64, drmegadude, bbutrosghali, MontanaPearl, SKORP17, Pairot, Gosciola19, thrutch, Joyofrandomness, ViKingPrime, metacom, ash810, muule, Mutiny, ... UsernameDave, iankreher, Aran-Fey, rexxk, Gota, Nickyo, ana_shadow, iWoodyy, kangaroo, cam_san, Madoogliani, CSStead, quinnikins, chh, taiyaki, caLiber, zygeist, carsten, asver, EMCaoloft, MurtyQ
Comments
on 8. August 2025, 19:49 by rockratzero
Announcement
on 22. July 2025, 22:04 by ChaseOfSpades
Very nice puzzle!
on 25. June 2025, 02:21 by RussKozerski
As a multicellular creature, I'd like to extend my thanks to the volvox.
on 25. June 2025, 01:17 by ViKingPrime
A lovely little diversion.
on 24. June 2025, 23:45 by elsmysteryworld
had lots of fun doing this!! the puzzle flowed very nicely and felt satisfying :3