🔢 Sudoku Puzzles (Minus GAS ⛽️)

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

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

19 rows where Constraints contains "Region Sum Lines" and Setter contains "James Kopp" sorted by Id descending

These facets timed out: Solver, Constraints

Setter 1

  • James Kopp · 19 ✖
Id ▲ Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
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
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
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
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
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
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
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
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
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
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
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
3708 Duplexity 2022-09-30 Simon James Kopp Region Sum Lines, Renban
Duplexity
Duplexity
 00:43:28 44 min

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