Lines of Time
(Published on 11. February 2026, 18:37 by RandyDan)
Rules:
Normal Sudoku rules apply.
Anti-Diagonal: Digits cannot repeat along either of the 2 main diagonals.
Dutch Whispers (DW): Adjacent digits along an orange line must differ by at least 4.
German Whispers (GW): Adjacent digits along a green line must differ by at least 5.
Renban Lines (R): Digits along a purple line form a non-repeating set of consecutive digits in any order.
Parity Lines (P): Digits along a red line alternate odd/even.
Entropic Lines (E): Any run of three adjacent digits along a peach line must contain one low digit (1, 2, 3), one medium digit (4, 5, 6) and one high digit (7, 8, 9).
Kropki Dots: Digits separated by a white dot are consecutive. If two digits are separated by a black dot, one is double the other. Not all possible dots are given.
Solution code: Row 9
Comments
on 8. March 2026, 12:52 by QuiltyAsCharged
Just incredible!
on 8. March 2026, 11:46 by Fool on Hill
Amazing puzzle - feels impossible at several stages. The dots are very well judged and surprising - particularly the column 9 one.
on 14. February 2026, 21:20 by lmdemasi
Wowowow, some really great ideas in this puzzle. Loved it.
on 12. February 2026, 22:45 by Exigus
Excellent break in and love the symmetry, thanks!
on 12. February 2026, 11:40 by Snookerfan
Wonderful puzzle, especially the break-in! Quite a tight solvepath afterwards, so I gave it 5 stars. Thanks
