🔢 Sudoku Puzzles

Sudoku puzzle-solving videos from CTC.

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

166 rows where Constraints contains "O/E" and Solver contains "Mark" sorted by Id descending

Solver 2

Setter 119

Constraints 96

Id ▲ Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
6574 Wessel Strijkstra 2024-11-13 Mark Aron Lidé 6x6, Cipher, O/E, Sums
A Great Tribute from one Constructor to Another
A Great Tribute from one Constructor to Another
 00:43:46 44 min
6557 See It, Say It, Sorted 2024-11-08 Mark Michael Lefkowitz Clone, Count, O/E, Sequence
Sudoku - Sorted!
Sudoku - Sorted!
 00:56:27 57 min
6537 Boxed Out 2024-11-03 Mark Kedad Anti-Knight, Diagonal, German Whispers, Kropki, O/E, XV
Is there an Optical Illusion here? You Decide
Is there an Optical Illusion here? You Decide
 00:53:02 54 min
6531 Complimentary Interconnected Forces 2024-11-01 Mark David Workman Killer, O/E, Thermo, Yin-Yang
Who's Laughing Now?
Who's Laughing Now?
 00:40:49 41 min
6524 Double Counting 2024-10-30 Mark Timotab Counting Circles, Multitask Clues, O/E, Sweeper
What Does Duality Really Mean?
What Does Duality Really Mean?
 00:22:42 23 min
6521 The Spider 2024-10-29 Mark Bobo Consecutive, German Whispers, Mystery, Neighbour Sums, O/E, Thermo
The Spider in the Dead of Night
The Spider in the Dead of Night
 00:31:23 32 min
6495 Rainbow Kropki 2 2024-10-21 Mark LJC Binairo, Cipher, Difference, Killer, O/E
Different Differences? What does that Mean?
Different Differences? What does that Mean?
 00:32:33 33 min
6453 Find the Haters 2024-10-09 Mark Sumanta Mukherjee Killer, Liar, O/E, Renban, Thermo, XV
Find the Trolls
Find the Trolls
 00:30:43 31 min
6369 Rainbow Kropki 2024-09-13 Mark LJC 6x6, Binairo, Difference, Killer, O/E
A Wonderful and Fun Rainbow Sudoku
A Wonderful and Fun Rainbow Sudoku
 00:16:46 17 min
6353 Mad 4 Diagonalz 2024-09-08 Mark Chris Napolitano Anti-Queen, O/E
Crazy Patterns in a Puzzle
Crazy Patterns in a Puzzle
 00:28:09 29 min
6339 Have You Heard? 2024-09-04 Mark rysmyth Arrow, Cipher, Killer, O/E, Quadruple, Sandwich, Thermo
Have you Heard This Before?
Have you Heard This Before?
 00:46:01 47 min
6333 Putting Green 2024-09-02 Mark Brinel Consecutive, German Whispers, O/E, Quadruple, Region Sum Lines, Renban
Putting Sudoku in the Picture
Putting Sudoku in the Picture
 00:43:46 44 min
6272 Doctor, My Fever Might Be Odd 2024-08-14 Mark PhysicistFromFunen O/E, Thermo
A Really Odd Fever Dream
A Really Odd Fever Dream
 00:33:28 34 min
6257 Evenly Odd 2024-08-09 Mark Pixeleon O/E, Sums
Getting Even with the Odds - or something ...
Getting Even with the Odds - or something ...
 00:37:30 38 min
6247 Negator XS 2024-08-06 Mark thoughtbyte Diagonal, Extra Regions, Negators, O/E, X-Sums
Nothing Negative to Say about this Puzzle!
Nothing Negative to Say about this Puzzle!
 00:58:50 59 min
6191 Arrow Cartwheel 2024-07-19 Mark Wypman Arrow, O/E
Learn to Cartwheel Today
Learn to Cartwheel Today
 00:24:45 25 min
6139 Doggie Bag 2024-07-03 Mark BraveDenn Dutch Whispers, Extra Regions, German Whispers, O/E
A Beginner's Guide to SET Theory
A Beginner's Guide to SET Theory
 00:19:55 20 min
6116 Nontuple Dutch 2024-06-26 Mark Tomato Pie Arrow, Dutch Whispers, Inequality, O/E, Skyscraper
Try these Orange Bars!
Try these Orange Bars!
 00:33:55 34 min
6113 Simoku 2024-06-25 Mark Catmandoku Dutch Whispers, German Whispers, Killer, O/E, Polarity, Renban, Thermo
Two personalised puzzles!
Two personalised puzzles!
 00:25:38 26 min
6086 Rodeo 2024-06-17 Mark Flash Groudon 6x6, Anti-Knight, Arrow, O/E, Thermo
Not our First Rodeo
Not our First Rodeo
 00:13:55 14 min
6051 NGN 2024-06-06 Mark Thomas Prestopnik 4x4, Kropki, Mean Mini, O/E, Thermo
No Goodliffing Allowed ... Yeah, Whatever
No Goodliffing Allowed ... Yeah, Whatever
 00:12:37 13 min
6034 Killer Pool 2024-06-01 Mark Brinel Extra Regions, Killer, O/E
Not as Easy as I Thought
Not as Easy as I Thought
 00:29:14 30 min
6031 Where Does It All End? 2024-05-31 Mark Andy Petersen Anti-Renban, Between Lines, Entropic Lines, Fog, German Whispers, Modular Lines, Multitask Clues, N-Lines, 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
6011 Diagonal Snakes 2024-05-25 Mark MonkeyApprentice Diagonal, Kropki, O/E, Pathway, Polarity, XV
Mercy Snakes Alive!
Mercy Snakes Alive!
 00:22:24 23 min
6001 Two Apart Sudoku 2024-05-22 Mark debabrata Difference, O/E
Surely a Sudoku Needs More Given Digits than This?
Surely a Sudoku Needs More Given Digits than This?
 00:19:35 20 min
5975 Tenet 2024-05-14 Mark Jazzora Consecutive, Diagonal, Extra Regions, O/E, Ratio, XV
Some Super Smashing Symmetry!
Some Super Smashing Symmetry!
 00:29:53 30 min
5955 Pseudo Cluedo 2024-05-08 Mark Marty Sears Anti-Renban, Digit Restriction, German Whispers, Killer, Modifier Cells, O/E, Palindrome, Pathway, Region Sum Lines, Slow Thermo, XV, Zipper Lines
Use Cluedoku Skills to Find the Killer!
Use Cluedoku Skills to Find the Killer!
 00:52:42 53 min
5943 Parity Loop 2024-05-04 Mark Lithium-Ion Counting Circles, Killer, Loop, O/E, Thermo
I Don't Think this Loop is Loopy at all!
I Don't Think this Loop is Loopy at all!
 00:25:02 26 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
5882 Joust Odd 2024-04-15 Mark Pulsar Anti-Knight, Killer, O/E, Unknown Values
This Joust Seems Odd!
This Joust Seems Odd!
 00:48:06 49 min
5839 Giant's Deep 2024-04-02 Mark 99% Sneaky Arrow, Killer, Kropki, O/E, Thermo
Too Much Information in Giant's Deep?
Too Much Information in Giant's Deep?
 00:36:59 37 min
5833 CottonTail 2024-03-31 Mark James Peter German Whispers, O/E, Projected Sums, Renban
The Quizzical Easter Bunny
The Quizzical Easter Bunny
 01:06:00 66 min
5820 Parity Pairs 2024-03-27 Mark Amin Khalek Consecutive, O/E, Sweeper, Thermo
An Almighty Struggle with a Sudoku Puzzle Begins ...
An Almighty Struggle with a Sudoku Puzzle Begins ...
 01:25:41 86 min
5788 Feeling Lucky 2024-03-17 Mark Glitch Horse, Scaly Griffon German Whispers, O/E, Thermo
Harnessing the Luck of the Irish
Harnessing the Luck of the Irish
 00:34:11 35 min
5759 Even-Tempered 2024-03-08 Mark Digital Flaw Binairo, O/E, Thermo
Maintaining Equilibrium while solving Sudoku
Maintaining Equilibrium while solving Sudoku
 00:32:10 33 min
5703 Tic Tac Todd 2024-02-20 Mark Josebastian8 Diagonal, Little Killer, O/E
You Mean "Noughts and Crosses" IS "Tic-Tac-Toe"?
You Mean "Noughts and Crosses" IS "Tic-Tac-Toe"?
 00:35:01 36 min
5697 XV Binairo 2024-02-18 Mark Panthera Binairo, O/E, Thermo, XV
One of the Strangest Colouring Puzzles You'll See
One of the Strangest Colouring Puzzles You'll See
 00:28:54 29 min
5687 Numbers in Cages in Regions in a 6x6 2024-02-15 Mark PeterJoe 6x6, O/E, Region Building, Unknown Values
How can Cages, Regions and Boxes all be Different?
How can Cages, Regions and Boxes all be Different?
 00:51:48 52 min
5625 Every Three and Every Two 2024-01-27 Mark Bert Count, Fibonacci, O/E
The Puzzle that Keeps Three out of the Corner
The Puzzle that Keeps Three out of the Corner
 00:26:32 27 min
5601 Pentominophibian 2024-01-20 Mark Lil Gunga Jr Ambiguous Clues, Dutch Whispers, Kropki, O/E, Palindrome, Pathway, Polyominoes, Renban, Sweeper
Great Snakes Alive!
Great Snakes Alive!
 00:58:09 59 min
5491 First Group 2023-12-18 Mark Pixeleon O/E, Sums
A Clever and Easy to Understand Puzzle Type
A Clever and Easy to Understand Puzzle Type
 00:28:17 29 min
5439 Low Tide 2023-12-03 Mark Schwupel German Whispers, O/E, Polarity
Unbelievably Confusing from Beginning to End
Unbelievably Confusing from Beginning to End
 01:03:35 64 min
5373 Unique Sums 2023-11-16 Mark SamuPiano O/E, Unique Sums
A Very Unique Puzzle
A Very Unique Puzzle
 00:33:31 34 min
5277 Deep Space 9x9 2023-10-24 Mark Haley Prochilo Incomplete Clues, O/E, Renban, Thermo
Sudoku goes into Deep Space
Sudoku goes into Deep Space
 00:24:45 25 min
5259 Forgiven 2023-10-20 Mark James Sinclair Diagonal, O/E, Region Sum Lines
How to get Forgiven by a Top Constructor
How to get Forgiven by a Top Constructor
 00:32:45 33 min
5233 HI REN 2023-10-13 Mark ZegreS Ambiguous Clues, Arrow, German Whispers, Kropki, O/E
The Sick Boi, in Sudoku Form
The Sick Boi, in Sudoku Form
 00:29:14 30 min
5186 Trophy Case 2023-10-02 Mark ifletchr German Whispers, Killer, O/E, Ratio, Renban, Thermo
The Ryder Cup of Sudoku
The Ryder Cup of Sudoku
 00:29:06 30 min
5083 Momentary Bliss 2023-09-07 Mark Bill Murphy Killer, O/E
Gas at the Ready
Gas at the Ready
 00:36:28 37 min
5064 Only Even… or Even Only Odd? 2023-09-02 Mark sujoyku Killer, Little Killer, O/E
Putting Joy into Sudoku
Putting Joy into Sudoku
 00:33:33 34 min
5053 Missing Information 2023-08-31 Mark GemmaOane Arrow, Killer, O/E
No Misinformation in this Sudoku
No Misinformation in this Sudoku
 00:21:19 22 min
5044 The Song of the Serpent and the Wanderer 2023-08-28 Mark damasosos92 Chaos Construction, Count, Knight's Move, O/E, Pathway, Sums
Sudoku: Singing the Serpent's Song
Sudoku: Singing the Serpent's Song
 01:18:14 79 min
5040 First Seen Odd/Even Sudoku 2023-08-27 Mark Clover First Seen, O/E
GAS: The Agent of Hubris
GAS: The Agent of Hubris
 00:36:20 37 min
5023 A Little Nudge 2023-08-23 Mark RushBee O/E, Thermo
When a Solver Becomes a Setter
When a Solver Becomes a Setter
 00:29:39 30 min
4978 GAS, Kansas 2023-08-12 Mark Clover 8x8, O/E
The Right Side of GAS
The Right Side of GAS
 00:36:59 37 min
4953 You Don't Belong 2023-08-06 Mark Tambooch O/E, Sweeper
With Us ... You DO Belong!
With Us ... You DO Belong!
 00:32:48 33 min
4933 Target Practice 2023-08-01 Mark oxjphs German Whispers, O/E, Ratio
Practise Your Skills with this Sudoku
Practise Your Skills with this Sudoku
 00:19:14 20 min
4913 Question Everything 2023-07-27 Mark James Sinclair Anti-XV, Killer, O/E, Thermo, XV
Why you must Question Everything
Why you must Question Everything
 00:19:00 19 min
4910 An Odd Serpent 2023-07-26 Mark Kevin de Roo O/E, Pathway
The Snake Sudoku you CAN try
The Snake Sudoku you CAN try
 00:16:53 17 min
4891 Quadrants 2023-07-21 Mark ZeroUltra Arrow, O/E
Zero Axes Define Quadrants
Zero Axes Define Quadrants
 00:21:03 22 min
4845 Gauntlet 2023-07-09 Mark James Sinclair Arrow, Killer, O/E
Try Running this Gauntlet
Try Running this Gauntlet
 00:20:42 21 min
4826 3Z + X 2023-07-05 Mark Thomas Prestopnik Arrow, Diagonal, Kropki, O/E
The Puzzle that Starts Easy ... and Gets Harder!
The Puzzle that Starts Easy ... and Gets Harder!
 00:43:40 44 min
4728 Austrian Heat 2023-06-11 Mark Palfly Kampling Ambiguous Clues, German Whispers, O/E, Thermo
How to Make a Thermometer go Green
How to Make a Thermometer go Green
 00:28:49 29 min
4679 2 Paintings by Nikolai Astrup 2023-05-29 Mark Bill Murphy O/E
(Simply) the GAS
(Simply) the GAS
 00:33:39 34 min
4672 Clowns and Jokers 2023-05-28 Mark Die Hard Indexing, Killer, O/E, Renban
Always Put your Clowns on the Left and Jokers on the Right
Always Put your Clowns on the Left and Jokers on the Right
 01:05:19 66 min
4637 Odd Tapa Sudoku 2023-05-19 Mark Clover Connected Region, O/E
GAS Makes you Forget ... Something ...
GAS Makes you Forget ... Something ...
 00:47:03 48 min
4593 Allergic Reaction 2023-05-08 Mark Allagem Anti-XV, O/E, Thermo
Allergic to Sudoku?
Allergic to Sudoku?
 00:30:05 31 min
4534 Strawberry Fields 2023-04-24 Mark Cristopher Moore Anti-Knight, Indexing, Kropki, O/E
🎵 Nothing is Real 🎵
🎵 Nothing is Real 🎵
 00:34:19 35 min
4514 Short, Sweet and Simple 2023-04-19 Mark Cassadilla Anti-Ratio, German Whispers, Inequality, O/E, Pencilmarks, Ratio, Renban
Short and Very Sweet
Short and Very Sweet
 00:23:41 24 min
4431 Freelancer 2023-03-29 Mark James Bourque Diagonal, Killer, O/E
A Fun Debut Puzzle
A Fun Debut Puzzle
 00:27:13 28 min
4411 Temperature Inversion 2023-03-24 Mark Die Hard Ambiguous Clues, Anti-King, Diagonal, Inequality, O/E, Sums, Thermo
Juggling with Thermometers
Juggling with Thermometers
 00:33:30 34 min
4394 Odd/Even/Big/Small Sudoku 2023-03-20 Mark Clover O/E, Outside, Pencilmarks
Quicksmart GAS
Quicksmart GAS
 00:35:26 36 min
4360 Three in a Row Sudoku 2023-03-11 Mark Bill Murphy O/E
Approach this GAS with Care
Approach this GAS with Care
 00:41:40 42 min
4358 Waking Up Is Hard to Do 2023-03-11 Mark Philip Newman O/E
Approach this GAS with Care
Approach this GAS with Care
 00:41:40 42 min
4351 Unpredictable Housing Conditions 2023-03-09 Mark rockratzero O/E, Outside
Rockratzero Tests us Out
Rockratzero Tests us Out
 00:36:19 37 min
4290 4 O’Clock 2023-02-21 Mark Just Kirb Anti-Kropki, O/E, Thermo
The Fewer the Clues, The More They Help!
The Fewer the Clues, The More They Help!
 00:16:30 17 min
4251 Modifier Mystery 2023-02-12 Mark mnasti2 Arrow, German Whispers, Killer, Kropki, Modifier Cells, O/E, Palindrome, Renban, Thermo, XV
The Modifier Mystery
The Modifier Mystery
 01:01:50 62 min
4233 Rotary Switches 2023-02-08 Mark Flora Friendly Cells, Killer, O/E
Switch the Right Switches!
Switch the Right Switches!
 00:19:36 20 min
4172 All Odd or Even 2023-01-24 Mark Clover Ambiguous Clues, O/E
All I want is GAS
All I want is GAS
 00:33:40 34 min
3970 Cracking 500K 2022-12-03 Mark NIGHTCRAULER German Whispers, Kropki, O/E, Renban, Thermo, XV
Cracking that Magic Number
Cracking that Magic Number
 00:16:05 17 min
3960 Cornerstones 2022-12-01 Mark Jagga Diagonal, Kropki, O/E
The Different Approaches of Simon and Mark
The Different Approaches of Simon and Mark
 00:30:56 31 min
3945 First Seen Odd/Even 2022-11-28 Mark Clover First Seen, O/E
GAS Who?
GAS Who?
 00:39:56 40 min
3938 Farsight 2022-11-26 Mark sunnyjum Consecutive, O/E
Great Work by our Resident Comedian
Great Work by our Resident Comedian
 00:56:24 57 min
3920 Non-Venomous 2022-11-22 Mark Scruffamudda O/E, Snake, Sweeper
The Snake You Can Find
The Snake You Can Find
 00:35:03 36 min
3873 Schrödinger Sudkuro 2022-11-10 Mark ICHTUES Kakuro, O/E, S-Cells, Zeroes
An Absolutely Incredible Puzzle Combo
An Absolutely Incredible Puzzle Combo
 01:14:37 75 min
3668 5 Pluses 2022-09-20 Mark Udo Spemyn Anti-King, Arrow, Extra Regions, O/E, Parity, Ratio, Sandwich
The Most Positive of Puzzles
The Most Positive of Puzzles
 00:35:47 36 min
3643 Sudoku #3643 2022-09-14 Mark Sam Cappleman-Lynes O/E
The GAS Gets Away
The GAS Gets Away
00:34:25 35 min
3623 The Crown 2022-09-09 Mark Stephen Mason Arrow, Entropic Lines, Killer, O/E
The Crown
The Crown
 00:22:00 22 min
3589 The Smiling Bishop 2022-09-01 Mark Ryzen German Whispers, O/E, Ratio, XV
The Smiling Bishop
The Smiling Bishop
 00:37:05 38 min
3507 Liar Odd/Even 2022-08-11 Mark Bastien Vial-Jaime Liar, O/E
Find the Bogus Amogus
Find the Bogus Amogus
 00:21:19 22 min
3463 Minimaximum 2022-07-31 Mark Thomas Prestopnik O/E, Sums, XV
Minimum Fuss, Maximum Fun
Minimum Fuss, Maximum Fun
 00:27:49 28 min
3453 Sudoku #3453 2022-07-29 Mark Clover O/E, Thermo
You Need More GAS in Your Life
You Need More GAS in Your Life
00:35:10 36 min
3442 3's in the Corners 2022-07-26 Mark JC Arrow, Killer, Kropki, Little Killer, O/E, Sandwich, Thermo, XV
That Really is 3 in the Corner
That Really is 3 in the Corner
 00:17:32 18 min
3433 Odd Thru the ❤ 2022-07-24 Mark Philip Newman Killer, O/E
GAS is FUN
GAS is FUN
 00:27:51 28 min
3367 Peculiar Operations 2022-07-09 Mark Finest Difference, Factor Lines, Killer, O/E
A Sudoku that Ed Sheeran Would Like
A Sudoku that Ed Sheeran Would Like
 00:22:35 23 min
3348 Tennis Anyone? 2022-07-05 Mark James Kopp Diagonal, O/E, Quadruple
Tennis Anyone?
Tennis Anyone?
 00:45:08 46 min
3331 Canadian Whispers 2022-07-01 Mark Joe Moëd German Whispers, O/E, Thermo
O Canada! - the Sudoku
O Canada! - the Sudoku
 00:29:02 30 min
3290 This Is Sparta 2022-06-21 Mark Chefofdeath Killer, O/E, Sandwich, Thermo
No, I am Spartacus
No, I am Spartacus
 00:15:56 16 min
3054 Vikna (Windows) 2022-04-30 Mark Yarr Anti-Knight, German Whispers, Irregular, O/E, Palindrome, Thermo
From the World outside your WIndows
From the World outside your WIndows
 00:42:13 43 min
3051 Sudoku #3051 2022-04-29 Mark Sam Cappleman-Lynes O/E
Keeping the GAS Flowing
Keeping the GAS Flowing
00:30:25 31 min
3048 Sudoku #3048 2022-04-29 Mark Sam Cappleman-Lynes Killer, O/E
Keeping the GAS Flowing
Keeping the GAS Flowing
00:30:25 31 min

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