Calm Construction
(Published on 16. November 2025, 11:42 by oskode)
Rules:
- Sudoku: Fill all rows, columns and marked 3x3 boxes with the digits 1-9 without any repeats.
- Chaos Construction: Divide the grid into 9 additional regions of 9 orthogonally connected cells. Each extra region contain the digits 1-9 without repeats.
- Circles: A digit in a circle indicates how many cells (including itself) overlap between its 3x3 box and its additional region.
Click here to play online!
Ratings and comments are very much appreciated. Thank you for playing!
Solution code: The digits in row 7 from left to right, with a "-" between digits in different Chaos Construction regions
Comments
on 27. November 2025, 22:49 by valacd
Great idea to combine normal sudoku with cc. Great fun to solve. Thank you!
on 19. November 2025, 22:49 by madhupt
An absolutely delightful puzzle! It is very smooth and whole solving experience is very joyful. Thanks for sharing.
on 18. November 2025, 20:18 by War
I tricked myself at the beginning. The digits in the circles in the destruction series tell you how many cells are seen by a kings move from that cell. Took me a while to catch that the circles here are not the same and need to be in different regions and tell the whole amount, not just adjacent.
on 17. November 2025, 10:01 by Piatato
Excellent! Really neat idea and a great execution!
on 17. November 2025, 05:42 by waffles_the_dog
A lovely puzzle and a really nice flow. Thank you for setting it :D
on 17. November 2025, 02:43 by VicJameson
What a splendid puzzle. Had me scratching my head a few times, but all the information was there and I just wasn't seeing it. Thanks so much.
on 17. November 2025, 00:00 by wuc
56 minutes of pure joy. Added to favorites. Awesome setting.
on 16. November 2025, 22:17 by Elliebot
Solved this with my partner and it still took us almost two hours. Really elegant rule set that leads to some complex logic. Excellent puzzle!
on 16. November 2025, 20:30 by tryote
Great puzzle!
on 16. November 2025, 14:21 by Snookerfan
Excellent puzzle! The forcing of the regions was tremendous. Thank you
on 16. November 2025, 14:03 by Myxo
Brilliant construction!
on 16. November 2025, 11:56 by NXTMaster
Wonderful construction. I made a logical error that bit me in the butt toward the end of the solve. Serves me right for rushing, haha
