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🔢 Sudoku Puzzles (Minus GAS ⛽️)

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

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

62 rows where Setter contains "James Kopp" sorted by Id descending

Solver 2

  • Mark · 54
  • Simon · 8

Setter 1

  • James Kopp · 62 ✖

Constraints 45

  • Region Sum Lines · 19
  • Thermo · 15
  • German Whispers · 14
  • Dutch Whispers · 10
  • Little Killer · 9
  • Ratio · 9
  • Kropki · 8
  • O/E · 8
  • Renban · 8
  • XV · 8
  • Arrow · 6
  • Anti-Knight · 5
  • Fog · 5
  • Killer · 5
  • Diagonal · 4
  • Non-Consecutive · 4
  • Ambiguous Clues · 3
  • Multitask Clues · 3
  • Palindrome · 3
  • X-Sums · 3
  • Anti-King · 2
  • Anti-XV · 2
  • Between Lines · 2
  • Consecutive · 2
  • Difference · 2
  • Extra Regions · 2
  • Incomplete Clues · 2
  • Magic Square · 2
  • Modifier Cells · 2
  • Multi-Digit Arrow · 2
  • Primes · 2
  • Whispers · 2
  • Anti-Ratio · 1
  • Binairo · 1
  • Clone · 1
  • Count · 1
  • Double Arrow · 1
  • Look-and-Say · 1
  • Negators · 1
  • Neighbour Sums · 1
  • Parity Lines · 1
  • Quadruple · 1
  • Sandwich · 1
  • Slow Thermo · 1
  • Sums · 1
Id â–˛ Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
7835 Three Strikes and You’re Out 2025-11-16 Mark James Kopp Binairo, Non-Consecutive, XV
Three Strikes is Too Many!
Three Strikes is Too Many!
00:39:23 40 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
7738 Ghosts in the Fog 2025-10-19 Simon James Kopp Anti-XV, Fog, O/E, Palindrome, Ratio
Ghosts In The Sudoku Fog
Ghosts In The Sudoku Fog
01:05:23 66 min
7712 Let's Get Kraken 2025-10-11 Mark James Kopp German Whispers, Killer, Region Sum Lines, Slow Thermo
Kraken the Cryptic
Kraken the Cryptic
01:06:00 66 min
7698 Golden Arrow 2025-10-07 Simon James Kopp Anti-King, Anti-Knight, Dutch Whispers, Multi-Digit Arrow, Multitask Clues
The "Golden Arrow" Miracle Sudoku
The "Golden Arrow" Miracle Sudoku
00:44:42 45 min
7606 Threedoku 2025-09-12 Mark James Kopp Dutch Whispers, Neighbour Sums, O/E
They're ALL Threes in the Corners!
They're ALL Threes in the Corners!
00:28:45 29 min
7534 Against the Odds 2025-08-22 Mark James Kopp Count, German Whispers, O/E, Thermo
Solving Against the Odds
Solving Against the Odds
00:29:21 30 min
7412 Three-Sums 2025-07-18 Mark James Kopp Extra Regions, Modifier Cells, Region Sum Lines
An all-new Sudoku Modifier Cell!
An all-new Sudoku Modifier Cell!
00:33:52 34 min
7375 Aced 2025-07-07 Mark James Kopp Diagonal, Dutch Whispers, Magic Square, Region Sum Lines
Sudoku and Tennis - the Perfect Mashup
Sudoku and Tennis - the Perfect Mashup
00:39:24 40 min
7374 Cloud Atlas 2025-07-07 Simon James Kopp Arrow, Fog, German Whispers, Non-Consecutive
When Fog Sudoku And Literature Collide!
When Fog Sudoku And Literature Collide!
00:49:53 50 min
7325 Is That a 3 in the Corner? 2025-06-22 Simon James Kopp Between Lines, Dutch Whispers
Sudoku Expert Achieves A Mad Solve!!
Sudoku Expert Achieves A Mad Solve!!
00:54:19 55 min
7323 Some Like It Hot 2025-06-21 Mark James Kopp Thermo
Some Like it Hot - Do You?
Some Like it Hot - Do You?
00:32:46 33 min
7251 The Lattice 2025-05-30 Mark James Kopp Between Lines, Double Arrow, XV
A Superb bit of Sudoku Construction
A Superb bit of Sudoku Construction
00:43:03 44 min
7233 Below Zero 2025-05-25 Mark James Kopp German Whispers, Negators, Region Sum Lines, XV
I trusted this setter. Now he destroys me ...
I trusted this setter. Now he destroys me ...
01:10:34 71 min
7113 Magic Eggs 2025-04-21 Mark James Kopp German Whispers, Magic Square, O/E, Ratio, Renban
Magic Eggs for Easter
Magic Eggs for Easter
00:32:01 33 min
7075 Ambiguity 2025-04-14 Mark James Kopp Ambiguous Clues, Region Sum Lines, Renban, X-Sums
The Ambiguity of a Face in the Sudoku Grid!
The Ambiguity of a Face in the Sudoku Grid!
00:36:17 37 min
7039 Sydney Harbour Bridge 2025-04-03 Mark James Kopp Dutch Whispers, Region Sum Lines, Renban, XV
Postcard from Sydney, Australia
Postcard from Sydney, Australia
00:37:16 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
6883 Love Triangle 2025-02-14 Mark James Kopp Arrow, Whispers
Love Triangles? Is that Appropriate for Valentine's ... ?
Love Triangles? Is that Appropriate for Valentine's ... ?
00:46:09 47 min
6860 Euler’s Constant 2025-02-07 Mark James Kopp Anti-XV, German Whispers, Ratio
Never mind Pi-Day! Today is ... e-Day!
Never mind Pi-Day! Today is ... e-Day!
00:29:52 30 min
6849 Add On 2025-02-04 Mark James Kopp Extra Regions, Modifier Cells, Ratio, Region Sum Lines
It Just Keeps Adding up ...
It Just Keeps Adding up ...
00:29:53 30 min
6755 Ho Ho Ho 2025-01-06 Mark James Kopp Ratio, Region Sum Lines, Whispers
Have an Epiphany with CtC!
Have an Epiphany with CtC!
00:45:45 46 min
6714 Xmas 2024-12-24 Mark James Kopp German Whispers, Region Sum Lines
Xmas with Cracking the Cryptic!
Xmas with Cracking the Cryptic!
00:29:22 30 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
6594 Humble Pi 2024-11-19 Mark James Kopp Little Killer, Non-Consecutive, Ratio
Have a Proper Slice of Humble Pi - Brilliantly Constructed Sudoku
Have a Proper Slice of Humble Pi - Brilliantly Constructed Sudoku
00:29:50 30 min
6545 89 2024-11-05 Simon James Kopp Anti-Knight, Difference
🎵 You Know The Rules... And So Do I...🎵 A Sudoku Miracle.
🎵 You Know The Rules... And So Do I...🎵 A Sudoku Miracle.
00:40:03 41 min
6419 That’s 3 in the Corner 2024-09-29 Simon James Kopp Arrow, Difference, Incomplete Clues
That's 3 In The Corner... Of The Sudoku. And That's All?
That's 3 In The Corner... Of The Sudoku. And That's All?
00:42:40 43 min
6291 True Blue 2024-08-20 Mark James Kopp Anti-Ratio, Ratio, Region Sum Lines
True Blue, like a Kangaroo?
True Blue, like a Kangaroo?
00:34:40 35 min
6253 Swimming in the Reeds 2024-08-08 Mark James Kopp German Whispers, Kropki, Region Sum Lines
One of the Fishiest Sudokus Ever
One of the Fishiest Sudokus Ever
00:39:01 40 min
6197 123 2024-07-21 Mark James Kopp German Whispers
The Utter Genius of 123
The Utter Genius of 123
00:24:03 25 min
6149 21 2024-07-06 Mark James Kopp German Whispers, X-Sums
Another Birthday for the Kopps?
Another Birthday for the Kopps?
00:40:56 41 min
6020 Polygons 2024-05-28 Mark James Kopp Dutch Whispers, Killer, Region Sum Lines
Simple Shapes, Concealing Fiendish Logic!
Simple Shapes, Concealing Fiendish Logic!
00:46:03 47 min
5965 Think Inside the Box 2024-05-11 Mark James Kopp German Whispers, Region Sum Lines, Renban
Think inside the Box for Once!
Think inside the Box for Once!
01:05:03 66 min
5940 Zeven 2024-05-03 Mark James Kopp Dutch Whispers, Killer
Zeven is even Dutch for Seven!
Zeven is even Dutch for Seven!
00:27:06 28 min
5816 The Green Machine 2024-03-26 Mark James Kopp German Whispers
Mark takes on the Green Machine
Mark takes on the Green Machine
00:44:07 45 min
5605 Intersections 2024-01-21 Mark James Kopp German Whispers, Region Sum Lines, Thermo, XV
When Worlds of Blue & Green Collide ...
When Worlds of Blue & Green Collide ...
00:58:53 59 min
5543 Triple Threat 2024-01-03 Mark James Kopp Little Killer, Look-and-Say, Multitask Clues, Sandwich, XV
Clues that perform THREE Functions - Amazing!
Clues that perform THREE Functions - Amazing!
00:57:58 58 min
5500 Swatting Flies 2023-12-21 Mark James Kopp Arrow, Kropki, Region Sum Lines
Swatting Flies is Hard Work
Swatting Flies is Hard Work
00:31:48 32 min
5385 Threes in the Corners 2023-11-18 Mark James Kopp Anti-Knight, Incomplete Clues, Thermo
What's That in the Corner?
What's That in the Corner?
00:32:01 33 min
4924 Seeing Double 2023-07-29 Mark James Kopp Little Killer, Multitask Clues, X-Sums
You are not Seeing Double Today
You are not Seeing Double Today
00:46:17 47 min
4854 Stumped 2023-07-12 Mark James Kopp Little Killer, Region Sum Lines, Thermo
Do Not Get Stumped!
Do Not Get Stumped!
00:36:35 37 min
4833 Three in the Corner 2023-07-07 Mark James Kopp Anti-King, Thermo
And now ... the Party Puzzle!
And now ... the Party Puzzle!
00:30:01 31 min
4596 Gilded Cages 2023-05-09 Mark James Kopp Consecutive, Diagonal, Killer
This Cannot POSSIBLY Have Just One Solution! Surely?
This Cannot POSSIBLY Have Just One Solution! Surely?
00:41:41 42 min
4323 Read Between the Lines 2023-03-01 Mark James Kopp German Whispers, Ratio, Renban
What's Hidden Between the Lines?
What's Hidden Between the Lines?
00:30:12 31 min
4113 NYE 23 2023-01-09 Mark James Kopp Kropki, Little Killer, Thermo
New Year's Eve ... All Over Again!
New Year's Eve ... All Over Again!
00:21:35 22 min
4019 Prime Time 2022-12-16 Mark James Kopp Ambiguous Clues, Killer, Primes, Region Sum Lines
Whenever it is now ... it's Prime Time!
Whenever it is now ... it's Prime Time!
00:48:31 49 min
3870 Lucky 7 2022-11-09 Mark James Kopp Anti-Knight, Region Sum Lines, Renban
Why is Number 7 Lucky?
Why is Number 7 Lucky?
00:30:31 31 min
3833 Bat Emerging from the Mist 2022-10-31 Mark James Kopp Dutch Whispers, XV
Like a Bat out of Hell
Like a Bat out of Hell
01:03:16 64 min
3708 Duplexity 2022-09-30 Simon James Kopp Region Sum Lines, Renban
Duplexity
Duplexity
00:43:28 44 min
3620 Singing in the Rain 2022-09-08 Mark James Kopp Anti-Knight, Dutch Whispers, Kropki
Just Singing, and Dancing ... in the Rain
Just Singing, and Dancing ... in the Rain
00:41:39 42 min
3462 Four Primes 2022-07-31 Simon James Kopp Kropki, Primes, Sums
A Sudoku With Only Four Prime Numbers
A Sudoku With Only Four Prime Numbers
00:41:32 42 min
3348 Tennis Anyone? 2022-07-05 Mark James Kopp Diagonal, O/E, Quadruple
Tennis Anyone?
Tennis Anyone?
00:45:08 46 min
2757 Three Hearts 2022-02-14 Mark James Kopp Ambiguous Clues, Arrow, Palindrome, Thermo
For the Love of Sudoku!
For the Love of Sudoku!
00:57:56 58 min
2626 2022 Sudoku 2022-01-01 Mark James Kopp Clone, Consecutive, Thermo
The Genius of 2022
The Genius of 2022
00:29:27 30 min
2612 Snowman 2021-12-28 Mark James Kopp Kropki, Little Killer, O/E, Parity Lines
Snowman Sudoku
Snowman Sudoku
00:43:49 44 min
2409 The Spectre 2021-10-31 Mark James Kopp Little Killer, O/E, Palindrome
Some People will see a Ghost Here ...
Some People will see a Ghost Here ...
00:37:29 38 min
1674 Two Ants Sudoku 2021-01-15 Mark James Kopp Kropki, Thermo
Destroy the Ants!
Destroy the Ants!
00:27:59 28 min
1646 2021 Sudoku 2021-01-01 Mark James Kopp Little Killer, Thermo
Happy New Year, Sudoku Style
Happy New Year, Sudoku Style
00:21:13 22 min
1643 New Year’s Eve '21 Sudoku 2020-12-31 Mark James Kopp Little Killer, O/E, Thermo
New Year's Eve - the Sudoku
New Year's Eve - the Sudoku
00:39:29 40 min
1620 HO HO HO Sudoku 2020-12-20 Mark James Kopp Thermo
Ho Ho Ho Sudoku
Ho Ho Ho Sudoku
00:17:13 18 min
1543 XV(-) Thermo Sudoku 2020-11-14 Mark James Kopp Thermo, XV
Wait: WHERE are the clues for this puzzle ...?
Wait: WHERE are the clues for this puzzle ...?
00:32:47 33 min
1466 Crime Scene 2020-10-08 Mark James Kopp Kropki, Thermo
Inspector Morse Solves Sudoku
Inspector Morse Solves Sudoku
00:24:03 25 min

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Last updated (UTC): 2025-12-06 03:56:18