1. Base
Normal Sudoku rules apply.
2. Killer Cages
Digits in cages must sum to the clue in the top-left corner and cannot repeat.
More Killer Sudoku puzzles
This puzzle appears as puzzle #91 in my book
128 Handcrafted Killer Sudoku.
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Solution code: Digits in row 3 (left to right).
on 9. October 2026, 19:15 by Deklok
@Merovius this is a 8 by 8 sudoku.
on 9. October 2026, 18:31 by Merovius
Huh? How is column 2 supposed to work? 8+19=27, meaning r1c2 and r9c2 have to sum to 18 so have to both be 9. c3 also doesn't sum to 45. Or c7. This is either unsolvable or there are some rules missing.
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