Thinking Inside the Box
(Published on 16. June 2026, 14:37 by masetab)
This was a fun one to set, hope you enjoy!
Play the sudoku here:
Rules:
Normal sudoku rules apply.
All cages within the SAME 3×3 box sum to the same value. No two boxes share the same cage sums.
A black dot between two cells indicates one digit is double the other.
Any feedback is welcomed! Also, I would love for you to check out some of my other puzzles if you enjoy!
Solution code: Row 8
Comments
yesterday, 14:33 by Krisonium
3.5 difficulty, almost gave up
yesterday, 11:22 by CorpJigsQuand
Pretty hard but never hopeless. Thank you!
on 16. June 2026, 23:21 by Douglass
Great!!
on 16. June 2026, 18:02 by fuxia
A good challenge, very nice!
on 16. June 2026, 15:57 by pmays123
Wonderful puzzle! Fun deductions and interactions throughout the entire solve. Thanks for sharing!
