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 #64 in my book
128 Handcrafted Killer Sudoku.
If you enjoyed solving it, you'll find
127 more handcrafted Killer puzzles
in the full volume, ranging from
beginner-friendly introductions to
expert-level challenges.
Solution code: Digits in row 3 (left to right).
on 22. August 2026, 00:29 by Adrian Klausen
I find it hard to make smaller grid sizes difficult and interesting, but I like how this turned out. It has the one trick that resolve the rest :)
on 6. August 2026, 06:29 by macintux
Took much longer than a typical 1 star 6x6 puzzle, but once I finally found the secret, everything fell into place rapidly.
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