Normal Sudoku rules apply:
1-9 in each row, column and box without repetition.
Broken Fog:
Even a correct digit may not clear the fog!
Fear not, a solved grid will be mist free.
Killer Cages:
The values of the digits in a cage must sum to the total in the top left corner of the cage. Digits may not repeat within a cage.
Kropki Dots:
Digits seperated by white dots are consecutive in value.
Digits seperated by black dots have values in 2:1 ratio.
Special Thanks:
gdc who shared this technique, used subtly in Deep Indexing
jojo81gaming for live testing an early draft on stream.
goodcity for testing and feedback for this version.
Solution code: All digits from Row 4.
on 25. March 2024, 09:37 by Snaques
I have no idea how you managed to implement the broken fog, but in any case the puzzle was amazing.
on 29. February 2024, 17:20 by talldrinkofwater
Wow this was really fun! Definitely weird to not have fog clear when you expect, but it resolves quite nicely. Thanks Flinty!
on 27. February 2024, 20:28 by Sapio
had multiple mini-heart attacks while solving, thinking the digit was incorrect, only to remember the broken fog. Very fun puzzle - thank you so much!
on 14. February 2024, 06:48 by silent_rob
Thanks for the fun puzzle! I love FOW and Broken Fog is an excellent variation on it.
on 3. February 2024, 17:21 by Superdamicobros
Link seems to be broken
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I think there’s an issue with the site/app unfortunately. I’ll keep an eye on it.
Edit: It appears to be working again thankfully.
on 3. February 2024, 08:17 by filz
Very nice, but a bit nerve-racking :)
on 3. February 2024, 03:22 by ave
Nice fog "mod". :) Enjoyed it!
on 2. February 2024, 22:52 by Ganbatte
Thoroughly enjoyed this puzzle! Cat was on my lap so glad to have something to do!
on 2. February 2024, 19:49 by Ryx
I typically don't go in for the FOW puzzles, but the broken fog lured me in. I am glad it did, that was very interesting. Well done!
on 2. February 2024, 18:40 by Flinty
Thank you for the kind comments. :)
on 2. February 2024, 16:14 by dingledork
Outstandingly good puzzle!
on 2. February 2024, 16:12 by Nostor
A very enjoyable and smooth puzzle, even though it is slightly nervewrecking when the fog doesn't clear. Thank you!
on 1. February 2024, 23:57 by NRB
This was lovely. I like FOW for the instant gratification of a deduction so this was a lovely way to teach me to trust in my ability. The deductions that removed the fog were very clever. Truly loved this.
on 1. February 2024, 22:31 by SudokuFan
I would like to have Simon solve this puzzle just to watch him get scared when the fog doesn't clear :)
on 1. February 2024, 21:24 by One Eyed Man
Excellent foggy twist, very enjoyable solve. Thanks!
on 1. February 2024, 21:21 by cfunkmi
That was a lot of fun. Love the twist on the fog.
on 1. February 2024, 21:19 by OGRussHood
Such a fun idea, and a great way to dissuade cheaters from revealing many of the fog spaces.
on 1. February 2024, 20:51 by JuDGe1232
That broken fog is unnerving! Really enjoyed this puzzle!
on 1. February 2024, 19:20 by goodcity
Awesome idea with a great break in and some nice interactions through the solve. Thank you for this one :)