Normal Sudoku rules apply, place the digits 1-9 in each row, column, and box.
Arrow: Digits on an arrow must sum to the digit placed in that arrow's circle. Digits may repeat on an arrow if allowed by other rules.
Ratio Pairs: Digits separated by a black dot must be in a 2:1 ratio.
If you like this puzzle you may enjoy some of my other puzzles too, click HERE to see the other puzzles I have made.
Solution code: Row 4
on 5. December 2025, 01:10 by Aronana
Very Fun! Took us 3 tries Lol -_-
on 1. December 2025, 19:05 by Scorps
Fun start with the colouring but took me over 3 hours in the end as I couldn't resolve the 578 logic and eventually resorted to bifurcation :( that was my failure though and not a criticism of the puzzle, which is very nice!
on 1. December 2025, 16:50 by AshBrown
Very nice. Maybe 2.5 stars just because of the end otherwise a 2 star.
on 1. December 2025, 13:06 by itsid
really nice, the 578 had me stumped for way too long, but I enjoyed it alot Thank you!
on 30. November 2025, 21:07 by Will Power
Very nice puzzle. Thanks so much for setting. Peace to you. -Will Power
on 30. November 2025, 12:55 by wuc
Great coloring puzzle with one higher difficulty step in the end. Great fun thx.