🔢 Sudoku Puzzles (Minus GAS ⛽️)

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

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

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

These facets timed out: Solver, Setter, Constraints

Id â–˛ Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
7887 Circuit Board 2025-11-30 Mark It_depends Modular Lines, O/E
Sudoku Circuit Training
Sudoku Circuit Training
 00:51:06 52 min
7845 Rat: Chinese Zodiac 2025-11-19 Mark Ratfinkz Consecutive, Extra Regions, Hitpoints, Non-Repeat, O/E
Into the Rat Zone
Into the Rat Zone
 00:44:02 45 min
7818 Dizzy Dancing 2025-11-11 Mark Jacob Kadar Ambiguous Clues, Anti-King, Diagonal, Doublers, Halvers, Killer, O/E
Unnecessary Mental Dizziness!
Unnecessary Mental Dizziness!
 00:27:27 28 min
7799 Aargh! 2025-11-06 Mark Jaxar Killer, O/E, Ratio, Region Sum Lines, Renban, Sequence, Thermo, XV
The Pirate Cat Comes to Play
The Pirate Cat Comes to Play
 00:33:11 34 min
7783 From Albany to Buffalo 2025-11-01 Mark Thomas Prestopnik Dutch Whispers, German Whispers, O/E, Ratio, Region Sum Lines
A Deep Dive into the Past
A Deep Dive into the Past
 00:25:46 26 min
7769 Visible Inclusions 2025-10-28 Mark m1n3 Dutch Whispers, Killer, O/E, Ratio, Region Sum Lines, Thermo
A Tangible Benefit
A Tangible Benefit
 00:20:22 21 min
7762 The Archer's Dozen 2025-10-26 Mark Bartok_the_Magnificent Ambiguous Clues, German Whispers, O/E, Slow Thermo
This Sudoku = Mind: Blown!
This Sudoku = Mind: Blown!
 00:47:28 48 min
7695 Even Bishops 2025-10-06 Mark Morphy Anti-Queen, Killer, O/E, Palindrome
Even the Bishop Loves Sudoku!
Even the Bishop Loves Sudoku!
 00:40:00 40 min
7681 Hairgrips 2025-10-02 Mark Malcolm Coleman O/E, Ratio, Thermo
A Race to Consume Some Food Puzzles
A Race to Consume Some Food Puzzles
 00:26:56 27 min
7656 Queens Gambit 2025-09-25 Mark Morphy Chess, Killer, O/E
A New Sudoku Chess Variant
A New Sudoku Chess Variant
 00:24:18 25 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
7636 Squishdomefel 2025-09-21 Mark Peter the Dog German Whispers, Killer, O/E, Ratio, Renban, Squishdoku
My Brain gets Squished
My Brain gets Squished
 01:13:05 74 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
7587 Angel 2025-09-06 Mark Community Creation, Thomas Occhipinti Between Lines, Double Arrow, O/E
Is this an Angel amongst us?
Is this an Angel amongst us?
 01:02:40 63 min
7567 Nine Lines 2025-09-01 Mark Buttons Anti-Knight, Exponents, Indexing, O/E, Palindrome, Polarity, Primes
These Nine Lines are Enough to Unlock this Sudoku
These Nine Lines are Enough to Unlock this Sudoku
 01:25:53 86 min
7564 Flower Petals 2025-08-31 Mark gregui German Whispers, O/E, Ratio
Approachable Floral Sudoku!
Approachable Floral Sudoku!
 00:21:35 22 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
7507 Twirled Mermaid Goes Forklift 2025-08-14 Mark olima Double Arrow, German Whispers, Little Killer, Modular Lines, Non-Repeat, O/E, Renban
It's My Party .. and I'll Solve if I Want to!
It's My Party .. and I'll Solve if I Want to!
 01:09:41 70 min
7504 Terrace 2025-08-13 Mark Henk Nicolai 159, Dutch Flat Mates, O/E, XV
Fives are Strange Neighbours!
Fives are Strange Neighbours!
 00:40:18 41 min
7462 Pink Haze 2025-08-01 Mark Buttons Anti-Knight, Arrow, Between Lines, Diagonal, Extra Regions, O/E, Palindrome, Ratio
Solving Sudoku in the Pink
Solving Sudoku in the Pink
 00:35:38 36 min
7455 BAD Values Snooker 2025-07-30 Mark Zombie Hunter Difference, German Whispers, Indexing, O/E
Can Zombies Even Play Snooker?
Can Zombies Even Play Snooker?
 01:04:54 65 min
7432 Minefield Maneuvers 2025-07-24 Mark gdc 6x6, Count, Extra Regions, O/E
Absolutely Cosmic Sudoku!
Absolutely Cosmic Sudoku!
 01:03:34 64 min
7421 Another World 2025-07-21 Mark Artham Anti-XV, Count, O/E, Repeat Digits, Sequence, X-Sums
What Might Sudoku Look Like in Another World?
What Might Sudoku Look Like in Another World?
 01:46:30 107 min
7408 Dippin' Dots 2025-07-17 Mark Chris Napolitano Consecutive, Difference, Entropy, Killer, O/E
Try Some Olive and Lavender in your Sudoku!
Try Some Olive and Lavender in your Sudoku!
 00:36:32 37 min
7392 Tough Odds 2025-07-12 Mark Aron Binairo, O/E
The Odds are Tough Indeed
The Odds are Tough Indeed
 00:46:37 47 min
7389 Scientist's Region Sum Guy 2025-07-11 Mark LNOMISL Anti-Ratio, O/E, Ratio, Region Sum Lines, XV
The Mad Scientist Returns ... Again!
The Mad Scientist Returns ... Again!
 00:30:38 31 min
7379 TDF Odd Mountain Stage 2025-07-08 Mark palpot Dutch Whispers, German Whispers, Modular Lines, O/E, Parity Lines
Sudoku at the Tour de France!
Sudoku at the Tour de France!
 00:40:43 41 min
7366 Indexpennant Day 2025-07-04 Mark rockratzero Indexing, O/E, Region Sum Lines
Stars and Stripes in our Puzzle Today!
Stars and Stripes in our Puzzle Today!
 00:37:12 38 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
7299 Quincunx 2025-06-14 Mark Freegerator Arrow, Consecutive, Dutch Whispers, German Whispers, O/E, Sums
The Joys of the Quincunx
The Joys of the Quincunx
 00:28:56 29 min
7274 Let's Go Camping! 2025-06-06 Mark DhrAbel, Tey Adjacency, Count, German Whispers, O/E, Sums
Sudoku on the Campsite
Sudoku on the Campsite
 01:04:10 65 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
7188 Abatement 2025-05-14 Mark dumediat Anti-Diagonal, O/E, Quadruple
A Reputation Remains Intact
A Reputation Remains Intact
 01:01:51 62 min
7185 The Squaretaker 2025-05-13 Mark Haley Prochilo Incomplete Clues, O/E, Region Sum Lines, Renban, Thermo
Star Trek Voyager - The Sudoku
Star Trek Voyager - The Sudoku
 00:27:25 28 min
7182 Don’t Even Touch 2025-05-12 Mark Boh Adjacency, German Whispers, O/E, Ratio
A Glorious Burst of Symmetry
A Glorious Burst of Symmetry
 00:39:32 40 min
7173 Modds and Mevens 2025-05-09 Mark Scojo Count, Little Killer, Modular Lines, O/E
Happy Birthday Scojo - Again!
Happy Birthday Scojo - Again!
 00:46:04 47 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
7153 When It's Time To Parity We Will Parity Hard 2025-05-03 Mark Calvinball, ChinStrap Index Lines, O/E, Symmetry
We Like ... We Like to Parity
We Like ... We Like to Parity
 01:03:26 64 min
7146 Oil, Water, Kropki 2025-05-01 Mark Blobz Aquarium, Killer, O/E, Ratio
A Gorgeous Introduction to Oil & Water
A Gorgeous Introduction to Oil & Water
 00:25:34 26 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
7085 CALLERLAB 50th 2025-04-17 Mark Jeremy Butler Cipher, Inequality, O/E
Call it Like you See it
Call it Like you See it
 00:26:11 27 min
7062 What Number Am I Thinking Of? (XVI) 2025-04-10 Mark Br1312te 5x5, Anti-King, Irregular, Mean Mini, O/E, Ratio
What am I Thinking of at all?
What am I Thinking of at all?
 01:00:10 61 min
6994 Naughts and Crosses 2025-03-20 Mark CraigFJ Kropki, Miscellaneous, O/E, XV
Another Tic Tac Toe Showdown!
Another Tic Tac Toe Showdown!
 00:36:36 37 min
6991 Balancing in the Rain 2025-03-19 Mark The Autistic Kantian O/E, Ratio, Region Sum Lines
Sometimes Line Colours Don't Matter!
Sometimes Line Colours Don't Matter!
 00:33:05 34 min
6966 What an Odd Sight 2025-03-11 Mark damo_89 Count, O/E
It would be Odd to be Negative about this
It would be Odd to be Negative about this
 00:25:16 26 min
6922 Wild Apples 2025-02-26 Mark fractalminding Non-Consecutive, O/E
A Wildly Confusing Negative Constraint!
A Wildly Confusing Negative Constraint!
 00:21:21 22 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
6765 Thermo "Tornado" 2025-01-09 Mark Sudokun Diagonal, O/E, Thermo
From "That Guy" in Korea ...
From "That Guy" in Korea ...
 00:48:07 49 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
6746 Two to Tango 2025-01-03 Mark Scott Strosahl Binairo, Killer, O/E
It sometimes takes Two (Half-Hours) to Tango
It sometimes takes Two (Half-Hours) to Tango
 01:01:08 62 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
6708 The Polar(ity) Express 2024-12-22 Mark Jaxar Dutch Whispers, German Whispers, Killer, O/E, Region Sum Lines, Renban, Thermo, XV
Is That a Tree in the Corner?
Is That a Tree in the Corner?
 00:27:58 28 min
6687 Fibo-Knight-i 2024-12-16 Mark CraftyRaf Anti-Knight, O/E, Sums
A Sequence of Great Deductions!
A Sequence of Great Deductions!
 00:28:57 29 min
6635 Inception 2024-12-01 Mark Sumanta Mukherjee Between Lines, Killer, O/E, Thermo
Ringing in a New Idea
Ringing in a New Idea
 00:23:32 24 min
6622 One Line (?) 2024-11-27 Mark Zorroish Dutch Whispers, German Whispers, O/E, XV
One Line - Or Many More?
One Line - Or Many More?
 00:17:20 18 min
6614 Light Medallion 2024-11-25 Mark Wei-Hwa Huang O/E
Another Speedrun - all the way to the Finish Line
Another Speedrun - all the way to the Finish Line
 00:36:31 37 min
6610 That’s Even Better 2024-11-24 Mark Mr.Menace Kropki, Little Killer, O/E
When You're Going Through Hell .. Keep Going!
When You're Going Through Hell .. Keep Going!
 01:18:24 79 min
6607 ABENNR 2024-11-23 Mark FullDeck, Missing a Few Cards Ambiguous Clues, Kropki, Nabner, O/E, Renban
The Lines that CONCEAL their IDENTITY!
The Lines that CONCEAL their IDENTITY!
 00:42:40 43 min
6604 The Most Beautiful Mathematical Equation 2024-11-22 Mark Tobias Brixner German Whispers, O/E, Parity Lines, Renban
Mathematics - at its MOST BEAUTIFUL
Mathematics - at its MOST BEAUTIFUL
 00:22:34 23 min
6597 Mini Golf 2024-11-20 Mark Brinel 6x6, Consecutive, O/E, Quadruple, Renban, Whispers
Reduce the Game to Manageable Proportions - Bite-Size Sudoku
Reduce the Game to Manageable Proportions - Bite-Size Sudoku
 00:15:16 16 min
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 Sets, 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 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
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 Digit Restriction, German Whispers, Killer, Modifier Cells, Nabner, 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 Sets, 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

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