Fireworks 2025
(Published on 31. December 2025, 23:59 by SennyK)
Let's enjoy colorful fireworks on the grid to celebrate the year 2025.
Happy New Year 2026! :-)
I hope you will enjoy and I would be really grateful for all the comments and ratings.
Normal sudoku rules apply.
Region sum: Box borders divide a blue line into segments which have the same sum. Repeated visits within the same region are counted separately.
German whisper: Adjacent digits along a green line have a difference of at least 5.
Parity: Adjacent digits along a red line alternate between odd and even.
Renban: Digits along a purple line form a set of non-repeating consecutive digits in any order.
If you liked this puzzle, I recommend trying out my other puzzles: The Erica Series:★☆☆☆☆: 1, 2, 4, 5, 6, 12, 15, 17, 23, 26, 27
★★☆☆☆: 3, 7, 8, 10, 11, 13, 14, 16, 18, 20, 24, 25
★★★☆☆: 9, 19, 21, 22, 28 Shading/Ying-Yang:
★★☆☆☆: Pretty Odd Shaded Area
★★★☆☆: (+5)-Yang, Negative 8 YY
★★★★★: Why-Why? Fog of War:
★☆☆☆☆: Erica 12, Erica 17
★★☆☆☆: It's What You Do in the Dark That Puts You in the Light, Find It All, What the Fog?, Erica 20
★★★☆☆: Broken Flashlight in the Dark Pencil Puzzle/Sudoku Hybrid:
★★☆☆☆: Masyu (Short) Sudoku
★★★☆☆: Tetromino Sudoku
Various Puzzles:
★☆☆☆☆: Blown Fuses in Electrical Installation, Let Me Introduce Myself, French Wrench, GAS Regional Constraints
★★☆☆☆: Symmetrical Fan, Night Club, Important Hour on the Clock, What Was the Sum Again?, Disgroup Joints, 10-Arrows, Antiking Dutch Skyscrapers, (Not so) Little Killers
★★★☆☆: Cops & Robbers, Positive Symmetry, Doppelgänger Killer 1-25, Region Whisper Line, Christmas Chaos
★★★★☆: Liars. Liars Everywhere., Sandwiched XV Squishmates
Solution code: Sixth (6th) row of the grid from left to right.
Comments
on 9. January 2026, 01:54 by illicitonion
This was really fun, thank you so much!!
on 1. January 2026, 15:14 by Jafacake
Surprisingly harder than expected at first glance.
on 1. January 2026, 11:15 by keenbowl
Very nice one, but also quite tough for me.
Thank you for setting and sharing - and happy new year to you too ;-)
