Negative Space
(Published on 2. April 2021, 03:29 by twototenth)
Standard killer Sudoku rules: Digits in cages indicated by dashed lines must sum to the number in the top-left corner of the cage. Digits cannot repeat within a cage. Standard Sudoku rules apply.
F-puzzles link: Link to solve online
Solution code: Row 4 followed by column 5, no spaces
Comments
on 20. August 2025, 06:29 by MysticMan
Lovely puzzle!
on 3. May 2024, 09:12 by mezkur7
Sudokupad: https://sudokupad.app/7hvkfqyzm4
on 12. July 2021, 20:35 by glum_hippo
Better:
Es gelten alle Standard-Sudoku-Regeln. Ziffern in einem Käfig dürfen sich nicht wiederholen und summieren sich zu der Zahl in der oberen linken Ecke des Käfigs.
Nice puzzle!
on 11. April 2021, 17:51 by twototenth
Added German instructions (borrowed from another puzzle's description) and updated link to include puzzle title.
Thanks for the kind comments! Glad you enjoyed it!
on 5. April 2021, 20:54 by cam
Neat concept and fun puzzle :)
I have one by the same name lol
on 3. April 2021, 15:49 by panthchesh
Thanks for the puzzle! It was fun! :)
on 2. April 2021, 07:04 by cdwg2000
Very nice!
on 2. April 2021, 05:17 by PixelPlucker
Thank you for this fun killer sudoku! I thought your opening logic was very nicely signalled. :)
