Sum Line: Box borders split blue lines into sections, and the digits on those sections must sum to the same value. If a line has multiple sections within a box, these sections are summed separately.
Cages: Digits in cages cannot repeat and must sum to the value shown in the upper left corner of the cage.
We categorized this puzzle as Strong Indigestion. For more information about our difficulty categories, please visit our website, Missing Deck Puzzles, where we publish a new puzzle each day.
Try the puzzle on the SudokuPad app by Sven Neumann.
Solution code: Row 1, left to right, 9 digits no spaces
on 12. July 2025, 02:36 by Ndstripes
Incredibly fun solve! Satisfying symmetry and a great flow of logic.
on 12. July 2025, 02:35 by Ndstripes
Incredibly fun solve! Satisfying symmetry and a great flow of logic.
on 28. May 2025, 16:31 by dkfan9
I finish the puzzles on your website almost daily, but found I hadn't finished this one--it was nice to add one to my "solved" collection here. Very nice puzzle as usual, great flow.
on 28. May 2025, 10:33 by Martina
Very nice flow, lovely ring logic, thank you both.
on 27. May 2025, 16:50 by GeorgeTheToad2
Nicely done. Thanks both.
on 27. May 2025, 02:46 by VicJameson
A very fun puzzle, well done.
on 27. May 2025, 01:38 by Exigus
Nice interplay between the cages and linea. Thanks!
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