normal 6x6 sudoku rules apply: fill the grid with digits 1-6 so that no digit repeats in any row, column, or box.
there is a negative constraint in this puzzle
all variant clues follow their standard meanings; full descriptions are provided below.
Solution code: row 5, left to right
on 2. June 2026, 15:37 by Anthony
That was very fun to break through. It took pencilmarking every cell for me to finally realize just how powerful the negative constraint is in this puzzle.
on 30. May 2026, 08:29 by SanFranSam
Friendly enough for a 1*. ;)
on 29. May 2026, 23:11 by AaronH
Added walkthrough video link
on 29. May 2026, 22:30 by damo_89
Hardest of the bunch so far IMO, the negative constraint does more than I expected
on 29. May 2026, 15:29 by JVA
I don't know if these are getting harder or I'm just not picking up the tricks to them
AaronH: I think the later ones do get a little trickier. There’s a walkthrough video linked on the page for today’s puzzle if you’re interested
Thank you, I'll check it out
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