Diagonal: Digits along a marked diagonal cannot repeat.
Zipper Line: Along Zipper lines, pairs of digits equidistant from the center of the line have the same sum. For Zipper lines of odd length, that sum is the central digit on the line.
Cages: Digits in a cage 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 2, left to right, 9 digits no spaces
on 16. August 2025, 08:07 by VitP
there are FIVE marked diagonals - the BLUE one is different
on 15. August 2025, 15:12 by e401
Fun to solve FDM. Thanks
on 15. August 2025, 12:05 by MarthaB
Puzzle Perfection!
on 15. August 2025, 01:54 by CitrusGremlin
This was a fun little domino chain to set up and watch fall.
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