Hysteria (Chaos Construction)
(Published on 14. April 2024, 04:56 by ThePedallingPianist)
Big shout outs to:
- Marty Sears, Scojo, blackjackfitz and my dad for help with testing;
- fritzdis, whose puzzle Balanced Chaos helped inspire this;
- juggler for providing a nice practice puzzle;
- The solution guide video I have provided, should you get stuck!
Try my other Regionometer puzzles:
- Regional Heatwave
- Regionometers
Chaos Construction: Draw nine non-overlapping, orthogonally connected 9-cell regions and place 1-9 into every row, column and region. Some region borders have been given.
Toroidal grid: For the purpose of region building, the grid is a torus. E.g. r6c1 is considered to be orthogonally connected to r6c9, and r1c8 is considered to be orthogonally connected to r9c8.
Regionometers: Region borders divide lines into line segments. On each line, the sum of each line segment must strictly ascend from one end to another.
N.B. If a line clips the corner of a region border while travelling diagonally between two cells in the same region, this is NOT considered as a division of the line into distinct segments.
Solution code: Column 7, top to bottom
Comments
on 26. August 2026, 09:29 by Ramez
One of the greatest chaos construction puzzles ever made. The toroidal dimension of the puzzle at least doubled its difficulty. The amount of meticulousness put into each and every detail of this puzzle is off the charts. Totally amazing and rewarding from start to finish.
on 16. August 2026, 23:14 by ThePedallingPianist
Presentation
on 14. October 2024, 19:43 by heliopolix
This is my new favorite pedalling pianist puzzle!
on 13. October 2024, 21:14 by Niverio
Awesome puzzle!
on 30. September 2024, 10:36 by Silverstep
Absolutely brilliant. Gorgeous. Delightful. I'll be checking out your video solve as well, hopefully I didn't miss anything...
on 7. September 2024, 04:24 by ViKingPrime
...not hard enough.
on 29. May 2024, 22:55 by henrypijames
I found the break-in very intuitive, also happened to spot that supposed hard step right away, 4⅓ difficulty overall.
on 18. May 2024, 23:16 by trashghost
As a bassist, I just had to have a go at this puzzle. Hysteria is an epic and brutal song to play and this puzzle reflects it perfectly. Took me a solid few hours of chugging away along with help from your solve video. Thanks for this gnarly puzzle!!
on 25. April 2024, 05:46 by tallcat
Very impressive for a first CC - even more so for including the toroidal grid (which tripped me up once or twice). Break-in was sublime.
on 20. April 2024, 07:39 by peacherwu2
You won't see anything like this for a long time. True work of art!
on 18. April 2024, 21:23 by the_cogito
It's honestly silly just how nice this puzzle is. Beautiful
on 18. April 2024, 07:45 by Norkas
Wow, just wow. One of my personal all time favorites.
on 16. April 2024, 13:51 by sanabas
Great fun, have to be very careful keeping track of colour options. I found the break-in to be not too tough, but then the middle section was the hardest bit, not helped by missing something obvious in hindsight.
on 15. April 2024, 11:46 by Jesper
Awesome, thanks!
on 14. April 2024, 22:40 by marcmees
brilliant. thanks.
on 14. April 2024, 22:22 by ONeill
Awesome!
on 14. April 2024, 05:03 by marty_sears
Brilliant and intricate piece of work. You can tell a lot of time and effort and love went into this. The break-in was brutal, but rewards came in the form of a thoroughly enjoyable and unique region building puzzle after that
on 14. April 2024, 05:00 by Scojo
I didn't know how much I needed a toroidal chaos construction in my life until this puzzle. I highly recommend it if you have a few hours to spare!
on 14. April 2024, 04:58 by blackjackfitz
Amazing! Give yourself some time with this one, but the investment is so worth it.
