Puzzle rules
Normal Sudoku rules apply.
Box borders divide a blue region sum line Into segments with the same sum. (Different lines may have different sums)
Where two digits are separated by a black dot, one is double the other. Not all dots are necessarily given (partial kropki).
Digits in a cage sum to the total given in the top left corner.
I set this puzzle for Timotab's 55th birthday on 14 October - hence the clues. I was pretty pleased with the way it turned out. Enjoy! .
Play here on Sudokupad: Fifty five!
Solution code: Row 6
on 20. October 2026, 12:39 by abadx
On the lower half of 3* for me. Not all things were obvious, but I had fun chasing digits all over the board.
on 18. October 2026, 14:31 by Exigus
Super nice, thanks!
on 18. October 2026, 12:55 by Snookerfan
Fun puzzle, thanks!
on 17. October 2026, 20:42 by Franjo
Thank you very much for creating and sharing this lovely puzzle. Happy birthday, Timotab!
on 17. October 2026, 10:08 by blueberrypug
3 and a half for me
on 16. October 2026, 23:41 by GeorgeTheToad2
Lovely
on 16. October 2026, 21:33 by emoney1374
Fun puzzle!
on 16. October 2026, 21:02 by sujoyku
Lovely puzzle! Thank you, Fool on Hill!
on 16. October 2026, 20:01 by Fool on Hill
Update difficulty - it is probably 2-3
Please note: The German version of this page has changed. It is possible that this page does not contain the latest information.