🔢 Sudoku Puzzles (Minus GAS ⛽️)

Sudoku puzzle-solving videos from CTC (excluding GAS puzzles).

Data source: Cracking the Cryptic Catalogue · About: View on GitHub

61 rows where Constraints contains "Fog" and Solver contains "Mark" sorted by Id descending

Solver 2

Setter 49

Constraints 71

Id â–˛ Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
7881 Yin Yang FSOE 2025-11-28 Mark Dying Flutchman First Seen Odd/Even, Fog, Yin-Yang
No Fog in the Middle at all
No Fog in the Middle at all
 01:34:17 95 min
7861 (+5)-Yang 2025-11-23 Mark SennyK Fog, Inequality, Modifier Cells, Ratio, Region Sum Lines, Renban, Yin-Yang
Fake Values in the Foggy Sudoku
Fake Values in the Foggy Sudoku
 00:47:30 48 min
7858 Fog of War Rectangle 2025-11-22 Mark Chip Sounder Fog, German Whispers, Killer, Ratio, Renban, Sandwich
You Can Make an Approach in this Fog ...
You Can Make an Approach in this Fog ...
 00:27:58 28 min
7821 Escape the Foggy Liar 2025-11-12 Mark PhoenixAki Arrow, Fog, German Whispers, Killer, Liar, Ratio, Thermo, XV
Sudoku Lines that Lie!
Sudoku Lines that Lie!
 00:41:21 42 min
7793 Singles and Doubles 2025-11-04 Mark James Kopp Diagonal, Fog, Multi-Digit Arrow
Singles and Doubles
Singles and Doubles
 00:45:01 46 min
7786 Eye of the Storm 2025-11-02 Mark Ul-Rhymm Fog, Non-Consecutive, Palindrome
Look at the Eye of the Storm!
Look at the Eye of the Storm!
 00:34:44 35 min
7742 Surprising Stars 2025-10-20 Mark Ryan Adams Anti-XV, Copycat, Fog, Killer, XV
A Surprise Twist in the Tail
A Surprise Twist in the Tail
 00:31:25 32 min
7702 Counting Foggy Whispers 2025-10-08 Mark Eric Bader Fog, German Whispers, Killer
Count on us to Clear the Fog!
Count on us to Clear the Fog!
 00:27:02 28 min
7639 Foggy Fireworks 2025-09-22 Mark Chloé Consecutive, Entropic Lines, Fog, German Whispers, O/E, Region Sum Lines, Renban, Thermo
Foggy Fireworks
Foggy Fireworks
 00:26:05 27 min
7448 Up to Something 2025-07-28 Mark sujoyku Arrow, Fog, Kropki, Sums
Up to my Neck in the Fog!
Up to my Neck in the Fog!
 00:33:29 34 min
7339 The Solver's Journey 2025-06-26 Mark Dogdayboy Fog, German Whispers, Kropki, Pathway
Come on a Sudoku Journey with Me
Come on a Sudoku Journey with Me
 00:45:31 46 min
7310 Odd Patterns 2025-06-17 Mark Fezzy Anti-Knight, Count, Fog, O/E, Thermo
Some of these Patterns are really Quite Odd
Some of these Patterns are really Quite Odd
 01:01:20 62 min
7270 Foggy Unique Constraints 2025-06-05 Mark Pychael Fog, German Whispers, Kropki, Non-Repeat, O/E, Region Sum Lines, Renban, XV
Searching for Something Unique in the Fog
Searching for Something Unique in the Fog
 00:26:47 27 min
7264 3 Is a Magic Number 2025-06-03 Mark KWOG Anti-Knight, Anti-Kropki, Arrow, Digit Restriction, Fog, Kropki, Magic Square
3 is such a Magic Number
3 is such a Magic Number
 00:23:06 24 min
7214 In Betwixt 2025-05-19 Mark BremSter Between Lines, Fog, Ratio
Getting Sneaky in the Fog!
Getting Sneaky in the Fog!
 00:36:15 37 min
7169 Odd Minesweeper 2025-05-08 Mark Fezzy Fog, Kropki, O/E, Sweeper
Foggy Minesweeper - this will have you shouting at the screen!
Foggy Minesweeper - this will have you shouting at the screen!
 00:35:49 36 min
7159 Foggy “Pair”-rows 2025-05-05 Mark Visumation Count, Deconstruction, Fog, Ratio, Sums
Construction in the Fog!
Construction in the Fog!
 01:25:05 86 min
7123 Different Delights 2025-04-24 Mark ThePedallingPianist Difference, Fog, Non-Repeat, Ratio, XV
Many Foggy Returns of the Day!
Many Foggy Returns of the Day!
 00:43:27 44 min
7049 Killer at Large in the Fog: #3 2025-04-06 Mark Fenners Arrow, Entropic Lines, Fog, German Whispers, Modular Lines, Parity Lines, Region Sum Lines
Killer at Large! In the Fog that just won't Clear!
Killer at Large! In the Fog that just won't Clear!
 00:50:13 51 min
7043 Under the Radar 2025-04-04 Mark guru Count, Fog, German Whispers, Killer, Kropki, Renban, Sums
Under the Radar, Hidden by Fog
Under the Radar, Hidden by Fog
 00:58:20 59 min
6934 For Steph 2025-03-01 Mark Dan From “WOP-in-jərs” Arrow, Fog, German Whispers, Renban, Thermo
Two Foggy Puzzles for the price of one!
Two Foggy Puzzles for the price of one!
 00:37:28 38 min
6933 Heavy Fog 2025-03-01 Mark James Kopp Arrow, Fog, Non-Consecutive, Renban
Two Foggy Puzzles for the price of one!
Two Foggy Puzzles for the price of one!
 00:37:28 38 min
6919 Sweeper Cell 2025-02-25 Mark JoshLavig Difference, Fog, O/E, Sweeper
A New Rule - a New Thought Process
A New Rule - a New Thought Process
 00:30:59 31 min
6896 Whispers in the Mist 2025-02-18 Mark pdyxs Consecutive, Fog, German Whispers, Yin-Yang
But ... the Given Digit is WHITE!
But ... the Given Digit is WHITE!
 00:26:17 27 min
6879 Triskaidekaphobia 2025-02-13 Mark Lisa Ugray Difference, Fog, Killer, Neighbour Sums
Terrified by This Number ...
Terrified by This Number ...
 00:32:43 33 min
6830 Domino Flat Mates 2025-01-29 Mark Dorlir 0-8 Digits, Dutch Flat Mates, Fog, Neighbour Sums, XV
Flat Mates who Haven't the Foggiest
Flat Mates who Haven't the Foggiest
 00:22:26 23 min
6811 Foggy Index Strips 2025-01-23 Mark Blobz 159, Fog, Killer
One of my Favourite Constructors - No Apology Required!
One of my Favourite Constructors - No Apology Required!
 00:32:52 33 min
6797 Weighted Cells 2025-01-19 Mark Oddlyeven Extra Regions, Fog, Halvers, Modifier Cells, Region Sum Lines
Can we Weigh up the Difficulties of Sudoku? Of Course!
Can we Weigh up the Difficulties of Sudoku? Of Course!
 00:59:53 60 min
6794 Triple Double 2025-01-18 Mark Jaxar Consecutive, Fog, Incomplete Clues, Ratio
An Extraordinary Sudoku Feat - Achieved
An Extraordinary Sudoku Feat - Achieved
 00:46:51 47 min
6778 Playful Fog 2025-01-13 Mark Wypman Arrow, Entropic Lines, Fog
Playing around in the FOG
Playing around in the FOG
 00:16:55 17 min
6752 Sum Odd Sandwiches (SOS) 2025-01-05 Mark Jodawo Fog, Multitask Clues, O/E, Sandwich, X-Sums
SOS - Help me Solve my Sudoku
SOS - Help me Solve my Sudoku
 00:24:24 25 min
6733 Drunken Fish 2024-12-30 Mark Russian Singer Anti-King, Fog, German Whispers, Killer, O/E, Ratio, Thermo
Like Shooting Fish in the Fog!
Like Shooting Fish in the Fog!
 00:25:28 26 min
6720 Hidden Sandwiches 2024-12-26 Mark Alaric Taqi A. Count, Fog, Sandwich
Secret Santa Strikes!
Secret Santa Strikes!
 00:36:44 37 min
6673 Fair and Square 2024-12-12 Mark James Kopp Dutch Whispers, Fog, Ratio
Seeking Squares in the Fog
Seeking Squares in the Fog
 00:29:20 30 min
6587 You Know How I Roll 2024-11-17 Mark arctan Fog, Ratio, XV
Approachable Fog of War Sudoku!
Approachable Fog of War Sudoku!
 00:20:28 21 min
6512 Crimson Cut in the Green 2024-10-26 Mark NB Arrow, Fog, German Whispers, Inequality, Killer, Kropki, Mystery, Same Difference Lines, XV
When the Crimson Cuts through the Green ...
When the Crimson Cuts through the Green ...
 00:40:29 41 min
6463 Pea Soup 2024-10-12 Mark Oddlyeven Fog, Ratio, Split Pea Lines
No Soup for You!
No Soup for You!
 00:30:06 31 min
6449 Foes Eternal 2024-10-08 Mark Panthera, TheAsylm Fog, Japanese Sums, Linked Grids, Ratio
A Great Puzzle Pair
A Great Puzzle Pair
 00:54:38 55 min
6446 Is Zipper a Zodiac Sign? 2024-10-07 Mark gdc Fog, Killer, Spiral Galaxies, Zipper Lines
This Constructor has ALL the Skills
This Constructor has ALL the Skills
 00:38:47 39 min
6343 The Continental 2024-09-05 Mark Blobz Fog, Killer, Vault
Struggling with the Vaults - Again!
Struggling with the Vaults - Again!
 00:41:13 42 min
6297 Mystery Product 2024-08-22 Mark Oddlyeven Fog, Product Sum Lines
A Real Surprise Package
A Real Surprise Package
 00:36:15 37 min
6241 Walking in a Circle 2024-08-04 Mark fractalminding 6x6, Fog, Parity Lines, Renban, Thermo
Very Approachable Fog of War Sudoku
Very Approachable Fog of War Sudoku
 00:13:57 14 min
6031 Where Does It All End? 2024-05-31 Mark Andy Petersen Between Lines, Entropic Lines, Fog, German Whispers, Modular Lines, Multitask Clues, N-Lines, Nabner, O/E, Region Sum Lines, Renban, Same Difference Lines
Where Does it All End Anyway?
Where Does it All End Anyway?
 01:32:33 93 min
5982 Is V Greater Than, Less Than, or Equal to 5? 2024-05-16 Mark David Workman Ambiguous Clues, Anti-Knight, Fog, Inequality, Killer, XV
I Get Confused when the Fog Clears if I Don't Deserve It!
I Get Confused when the Fog Clears if I Don't Deserve It!
 00:45:10 46 min
5896 Polychrome 2024-04-19 Mark StartUp Fog, Killer, Kropki, O/E
We were Promised some Colour!
We were Promised some Colour!
 00:31:58 32 min
5810 Quarters 2024-03-24 Mark James Sinclair Dutch Whispers, Fog, Quadruple, Renban
Nice Moves through the Fog!
Nice Moves through the Fog!
 00:24:23 25 min
5804 Knights and Bishops in the Fog 2024-03-22 Mark SamuPiano Anti-Knight, Arrow, Fog, Sums
Chessmen in the Fog
Chessmen in the Fog
 00:27:34 28 min
5709 Chuy the “Frisbee Detective” 2024-02-22 Mark SandraNala Fog, Kropki, Palindrome, Slingshot
Can you Beat this Dog at Sudoku?
Can you Beat this Dog at Sudoku?
 00:29:07 30 min
5660 5’s Live in Foggy Flats 2024-02-07 Mark Antiknight Adjacency, Arrow, Fog, German Whispers, Thermo
Where ARE these foggy flats?
Where ARE these foggy flats?
 00:28:07 29 min
5648 All the Dots Are Brown 2024-02-03 Mark gdc Ambiguous Clues, Fog, Kropki
Brown Dots Don't BELONG in a Sudoku ...
Brown Dots Don't BELONG in a Sudoku ...
 00:24:54 25 min
5622 Inner Circles 2024-01-26 Mark Michael Lefkowitz Fog, Incomplete Clues, Kropki, XV
Some Remarkable Inner Circles
Some Remarkable Inner Circles
 00:41:55 42 min
5478 Zip of the Iceberg 2023-12-14 Mark gdc Fog, German Whispers, Sums, Symmetry, Zipper Lines
Is This the Zip of the Iceberg?
Is This the Zip of the Iceberg?
 00:29:54 30 min
5465 Welcome to Secondary School 2023-12-11 Mark Flipsen Anti-Knight, Arrow, Fog, Kropki, Primes, XV
Improve your Secondary Education
Improve your Secondary Education
 00:52:58 53 min
5459 Chasing Arrows 2023-12-09 Mark Blobz Arrow, Fog
Chase the Arrows in the Fog!
Chase the Arrows in the Fog!
 00:27:40 28 min
5428 Unique Arrow Sandwiches 2023-11-30 Mark Tulrak Arrow, Fog, Sandwich, Unique Sums, XV
The Fog in this Sudoku is Fair - But Tricky!
The Fog in this Sudoku is Fair - But Tricky!
 00:55:50 56 min
5394 Schrödinger's Foggy Rationale 2023-11-21 Mark gdc Fog, Ratio, S-Cells
Fog-of-War and Schrodinger Cells? What's Not to Love?
Fog-of-War and Schrodinger Cells? What's Not to Love?
 00:30:45 31 min
5370 Another Lost Toy 2023-11-15 Mark SandraNala Fog, Quadruple, Slingshot
Please Find the Lost Toy!
Please Find the Lost Toy!
 00:30:53 31 min
5091 Searching for Secrets 2023-09-09 Mark SandraNala Fog, Killer, Numbered Rooms, Palindrome
The Cutest Birthday Ever!
The Cutest Birthday Ever!
 00:27:54 28 min
4864 Pairdoku 2023-07-14 Mark, Simon Riffclown Arrow, Fog, Killer, Linked Grids
When One Sudoku Expert Is NOT Enough...
When One Sudoku Expert Is NOT Enough...
 00:29:57 30 min
3973 Regional Conflict 2022-12-04 Mark Chilly Fog, Region Sum Lines
We Like our Conflicts in a Tight Region
We Like our Conflicts in a Tight Region
 00:29:07 30 min
3853 Go the Right Way 2022-11-05 Mark Panthera Fog, Japanese Sums, Kropki
Which Way in the Fog?
Which Way in the Fog?
 00:26:40 27 min

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