🔢 Sudoku Puzzles (Minus GAS ⛽️)

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

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

92 rows where Constraints contains "Inequality" sorted by Id descending

Solver 2

Setter 58

Constraints 79

Id ▲ Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
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
7823 Overlooked 2025-11-13 Simon IcyFruit Cave Count, Inequality, Renban
Human Vs World's Hardest Sudoku Constructor
Human Vs World's Hardest Sudoku Constructor
 01:42:02 103 min
7803 Under the Microscope 2025-11-07 Simon gdc Cave, Consecutive, German Whispers, Indexing, Inequality, Sweeper
Is This The Second Great Sudoku Series?
Is This The Second Great Sudoku Series?
 01:16:07 77 min
7751 Lighthouses 2025-10-23 Simon IcyFruit Count, Fog, Inequality, Ratio
IcyFruit's Fog Of War Sudoku = Astonishing
IcyFruit's Fog Of War Sudoku = Astonishing
 01:40:08 101 min
7748 Picking Blackcurrants 2025-10-22 Simon Kaktuslav Entropic Lines, Inequality, Kropki, Multitask Clues, Pathway, Region Sum Lines
But This Sudoku Grid Is Practically EMPTY??
But This Sudoku Grid Is Practically EMPTY??
 01:35:27 96 min
7717 Wanddeko 2025-10-13 Simon Myxo Inequality, Kropki
This Sudoku Must Be Impossible?
This Sudoku Must Be Impossible?
 02:18:46 139 min
7598 Blue Arrow 2025-09-10 Simon Kaktuslav Chaos Construction, Inequality, Multi-Digit Arrow, Region Sum Lines
This. Sudoku. Is. Insane.
This. Sudoku. Is. Insane.
 01:35:17 96 min
7385 XV Inequality Sudoku 2025-07-10 Mark Hyunmo Kang Ambiguous Clues, Anti-XV, Inequality, XV
What does this Grid Marking even Mean?
What does this Grid Marking even Mean?
 00:46:58 47 min
7329 Killer Kropki Sequel 2025-06-23 Mark Ryx Anti-Kropki, Incomplete Clues, Inequality, Killer, Kropki
The Puzzle that Toys with our Sudoku 'Expert' and Spits him out
The Puzzle that Toys with our Sudoku 'Expert' and Spits him out
 01:54:34 115 min
7312 Pick-up Sticks (Blue) 2025-06-18 Simon Marty Sears Inequality, Region Sum Lines
This New Sudoku Ruleset Is SO Fun!!
This New Sudoku Ruleset Is SO Fun!!
 00:40:10 41 min
7295 Dutch Flat Mates: Pick-up Sticks 2025-06-13 Simon Marty Sears Dutch Flat Mates, Dutch Whispers, Entropic Lines, Fog, Inequality, Modular Lines, Parity Lines, Renban, Sums
Incredible New Sudoku Rule: Pick-Up Sticks!
Incredible New Sudoku Rule: Pick-Up Sticks!
 00:52:59 53 min
7245 Can of Worms 2025-05-29 Simon bellal Entropic Lines, Index Lines, Inequality, Multitask Clues
Can You Make A Sudoku Out Of 4 Worms?!
Can You Make A Sudoku Out Of 4 Worms?!
 00:40:20 41 min
7204 Purrgatory 2025-05-16 Simon ThePedallingPianist 4x4, Between Lines, Consecutive, Inequality, S-Cells, Sequence
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7203 Quadruped 2025-05-16 Simon ThePedallingPianist 4x4, Difference, Extra Regions, Inequality, Modifier Cells, Non-Repeat
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7202 Pawsitive and Negato 2025-05-16 Simon ThePedallingPianist 4x4, Extra Regions, Inequality, Multiplication, Negators, Region Sum Lines
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7201 Meowdularity 2025-05-16 Simon ThePedallingPianist 4x4, Extra Regions, Inequality, Modifier Cells, Modular Lines
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7200 A Tail of Two Kitties 2025-05-16 Simon ThePedallingPianist 4x4, Consecutive, Double Arrow, Incomplete Clues, Inequality
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7199 Catalogue 2025-05-16 Simon ThePedallingPianist 4x4, Consecutive, Incomplete Clues, Index Lines, Inequality
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7198 Kit Ten 2025-05-16 Simon ThePedallingPianist 4x4, Inequality, N-Lines, XV
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7197 Tabby Tally 2025-05-16 Simon ThePedallingPianist 4x4, Counting Sets, Inequality, XV
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7196 German Whisker 2025-05-16 Simon ThePedallingPianist 4x4, German Whispers, Inequality
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7195 Same Diffurence 2025-05-16 Simon ThePedallingPianist 4x4, Consecutive, Inequality, Same Difference Lines
A 4x4 Sudoku Hunt: How Hard Can It Be?!
A 4x4 Sudoku Hunt: How Hard Can It Be?!
 02:18:50 139 min
7130 Low Five 2025-04-26 Mark tzvibess Inequality, Killer, Modifier Cells, Sequence
A Very Low Value Sudoku Puzzle!
A Very Low Value Sudoku Puzzle!
 00:34:41 35 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
7013 Alternating Stripes Sudoku 2025-03-26 Mark [Anonymous] Inequality, Non-Repeat
The Genuinely Approachable Stripes Puzzle
The Genuinely Approachable Stripes Puzzle
 00:15:47 16 min
6882 Perfectly Balanced 2025-02-14 Simon IcyFruit Inequality, Region Sum Lines
The Setter Of The World's HARDEST Sudoku Returns!
The Setter Of The World's HARDEST Sudoku Returns!
 01:12:35 73 min
6802 Mousetrap? 2025-01-21 Simon Tallcat Difference, Inequality, Parity Lines, Pathway, Ratio, Thermo
The Sudoku Rat Run Is Back! (With A Mouse!!)
The Sudoku Rat Run Is Back! (With A Mouse!!)
 01:33:33 94 min
6729 Field Research 2024-12-29 Simon ChinStrap Consecutive, Fog, Index Lines, Inequality, XV
Field Research Into Fog Sudoku
Field Research Into Fog Sudoku
 01:10:38 71 min
6677 RAT RUN 18: Mirror Maze 2024-12-13 Simon Marty Sears Clone, Extra Regions, German Whispers, Inequality, Modifier Cells, Pathway, Portals
The Most Popular Sudoku Series Ever Returns!
The Most Popular Sudoku Series Ever Returns!
 01:10:23 71 min
6628 RAT RUN 16: Schrödinger's Rat 2024-11-29 Simon Marty Sears Inequality, Non-Repeat, Pathway, Ratio, S-Cells, Same Difference Lines
Schrödinger's "Rat": Sudoku Perfection (And Comedy!)
Schrödinger's "Rat": Sudoku Perfection (And Comedy!)
 01:02:11 63 min
6600 SVS 400 - Upper Right Heavy Killer 2024-11-21 Mark Richard Stolk Inequality, Neighbour Sums
And Now ... the Return of an Awesome Sudoku Series!
And Now ... the Return of an Awesome Sudoku Series!
 00:47:48 48 min
6546 Between the Edges 2024-11-05 Mark Jodawo Inequality, Ratio
A Special Day - for Someone Somewhere
A Special Day - for Someone Somewhere
 00:46:53 47 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
6497 Moving Day? 2024-10-22 Simon ThePedallingPianist 6x6, Dutch Flat Mates, Entropic Lines, Equal Sums, Inequality, Little Killer, Mean Mini, Modular Lines, Multitask Clues
This 6x6 Puzzle Drives Sudoku Expert Crazy!!
This 6x6 Puzzle Drives Sudoku Expert Crazy!!
 00:54:42 55 min
6398 Equilibrium 2024-09-22 Mark SneakySteve Diagonal, Inequality
Can YOU Balance this Sudoku?
Can YOU Balance this Sudoku?
 00:43:06 44 min
6252 RAT RUN 7: Multiple Choice 2024-08-08 Simon Marty Sears Clone, Factor Lines, Inequality, Pathway
The Sudoku Rat: She's BACK!
The Sudoku Rat: She's BACK!
 00:53:56 54 min
6225 Drawn to Scale 2024-07-30 Mark Amin Khalek Doublers, Extra Regions, Halvers, Inequality, Min/Max, Palindrome, Region Sum Lines
These Shapes Look Completely Impossible
These Shapes Look Completely Impossible
 00:56:45 57 min
6215 RAT RUN 6: Equilibrium 2024-07-27 Simon Marty Sears Inequality, Pathway, Ratio, Sums
The Sudoku Rat Seeks Equality?!
The Sudoku Rat Seeks Equality?!
 00:38:10 39 min
6205 RAT RUN 5: Disparity 2024-07-24 Simon Marty Sears Inequality, Parity Lines, Pathway, Ratio
The Cleverest Rat Run Sudoku Yet
The Cleverest Rat Run Sudoku Yet
 00:59:39 60 min
6164 Tic-Tac-Torque 2024-07-11 Mark Skeptical Mario German Whispers, Inequality, Sums, XV
This Guy is all Torque!
This Guy is all Torque!
 00:46:33 47 min
6157 RAT RUN 4: Borderline 2024-07-09 Simon Marty Sears Inequality, Pathway, Ratio, Region Sum Lines
This Sudoku Is Borderline Genius
This Sudoku Is Borderline Genius
 00:39:14 40 min
6126 The Parker Miracle 2024-06-29 Simon Blashyrkh 6x6, Indexing, Inequality, Neighbour Sums
The "Parker Square" Miracle Sudoku
The "Parker Square" Miracle Sudoku
 00:37:11 38 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
6092 Horseshoe Toss 2024-06-19 Mark Teal Digit Restriction, Inequality, Renban
Tossing the old Horseshoe
Tossing the old Horseshoe
 00:32:05 33 min
6063 Three Wishes 2024-06-10 Simon Matt Tressel Difference, Indexing, Inequality
Impress Your Friends With This Miracle Sudoku!
Impress Your Friends With This Miracle Sudoku!
 00:32:14 33 min
6041 Eclipsed Whispers 2024-06-03 Mark Space_man Consecutive, German Whispers, Inequality, Loop
A Total Eclipse of the Sudoku
A Total Eclipse of the Sudoku
 01:26:43 87 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
5872 Consecutive Killers II 2024-04-12 Mark RedBarchetta Consecutive, Inequality, Killer, Pathway, Unique Sums
This Grid Seems Totally Empty!
This Grid Seems Totally Empty!
 00:35:54 36 min
5853 Caged by a Secret Killer 2024-04-06 Mark PhoenixAki Consecutive, Diagonal, German Whispers, Incomplete Clues, Inequality, Killer
Caging the Secret Killer
Caging the Secret Killer
 00:22:55 23 min
5836 What a Twist! 2024-04-01 Mark AnalyticalNinja 6x6, Difference, Inequality, Look-and-Say
This is an Absolute Twist!
This is an Absolute Twist!
 00:53:40 54 min
5835 My First Soduko 2024-04-01 Simon Marty Sears, Nordy Arrow, Consecutive, German Whispers, Inequality, Killer, Liar, Little Killer, N-Lines, Renban, Thermo, XV
Two 5 Year Olds Set A "Soduko"
Two 5 Year Olds Set A "Soduko"
 01:07:00 67 min
5827 Under Pressure 2024-03-29 Mark FullDeck, Missing a Few Cards Inequality, Sweeper
Putting a Supposed Expert under Pressure
Putting a Supposed Expert under Pressure
 01:01:31 62 min
5751 121 2024-03-06 Simon Dorlir Inequality, Sums
The "Miracle Cage" Sudoku
The "Miracle Cage" Sudoku
 00:34:26 35 min
5742 Doubling Season 2024-03-03 Mark Syntheticc Arrow, Consecutive, Counting Sets, Doublers, Inequality, Killer, Sums
Tis the Season to Get Doubling ...
Tis the Season to Get Doubling ...
 00:51:13 52 min
5600 Counting Thermos 2024-01-20 Simon Scojo Chaos Construction, Count, Counting Sets, Inequality, Thermo
The Thermometer Sudoku Quest
The Thermometer Sudoku Quest
 01:16:42 77 min
5482 Mut zur Lücke! 2023-12-15 Mark Wuschel Diagonal, Inequality, Killer
Where was Mark when the Lights Went Out? Very Much in the Dark!
Where was Mark when the Lights Went Out? Very Much in the Dark!
 01:59:39 120 min
5421 Buplhuset 2023-11-28 Mark Holzanatom 6x6, Inequality, Killer, Primes, Thermo
Defend Your PhD with This Puzzle
Defend Your PhD with This Puzzle
 00:16:49 17 min
5376 Overflow 2023-11-17 Simon IcyFruit Inequality, Killer, Sums
The Jaw-Dropping New Sudoku Setter
The Jaw-Dropping New Sudoku Setter
 01:06:45 67 min
5262 Heisenberg 2023-10-21 Mark randall Arrow, Inequality, Multitask Clues, X-Sums
The Paradox of Being Certain about Uncertainty
The Paradox of Being Certain about Uncertainty
 00:30:48 31 min
5213 EnTropic Islands 2023-10-09 Simon Paletron Count, Entropy, Inequality
How Interesting Can It Be To Count To 3?
How Interesting Can It Be To Count To 3?
 01:07:40 68 min
5144 Cryptic Rune 2023-09-22 Mark Scruffamudda Inequality, Palindrome
Hey Presto ... and the Grid was Filled!
Hey Presto ... and the Grid was Filled!
 00:22:17 23 min
5078 Someday We'll Meet Again 2023-09-07 Simon Twototenth Inequality, Nabner
This Trick Can Help Unlock Impossible Sudokus
This Trick Can Help Unlock Impossible Sudokus
 01:27:00 87 min
5070 Between the Skyscrapers 2023-09-04 Mark Klausku Between Lines, Inequality, Multitask Clues, Skyscraper
Getting Stuck Between the Skyscrapers
Getting Stuck Between the Skyscrapers
 00:37:26 38 min
5022 Building Between 2023-08-23 Simon Paletron Between Lines, Incomplete Clues, Inequality, Sweeper
"Absolutely Blew Me Away"
"Absolutely Blew Me Away"
 01:31:00 91 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
4468 Pulley-ing Your Weight 2023-04-07 Mark metagloria German Whispers, Inequality, Killer, XV
The Ultimate System of Weights and Measures
The Ultimate System of Weights and Measures
 00:48:03 49 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
4403 All Things Being Equal 2023-03-22 Simon Actinide Equal Sums, Inequality, Killer, Little Killer, Polyominoes
All The Clues Are The Same!!
All The Clues Are The Same!!
 01:17:50 78 min
4357 Equilibrium 2023-03-11 Simon Xendari Arrow, Inequality, O/E
"No Guessing Is Required"
"No Guessing Is Required"
 00:46:13 47 min
4339 Crowd Control 2023-03-05 Mark Allagem Between Lines, German Whispers, Inequality, Kropki
And the Crowd Goes Wild ...
And the Crowd Goes Wild ...
 01:29:02 90 min
4289 Square Dance 2023-02-21 Simon Cristopher Moore Inequality, Killer, Modifier Cells, Multiplication
The Illegal Sudoku Cage
The Illegal Sudoku Cage
 00:49:28 50 min
4018 The Snake 2022-12-16 Simon Derek Orr Diagonal, German Whispers, Inequality
Should You "Guess" To Solve This Sudoku?
Should You "Guess" To Solve This Sudoku?
 00:46:56 47 min
3724 Inequality Sudoku 06 2022-10-03 Mark Akash Doulani Inequality
Some Sudokus are more Equal than Others
Some Sudokus are more Equal than Others
 00:21:22 22 min
2488 Eye of the Beholder 2021-11-24 Mark Kyle Watt Arrow, Inequality, Min/Max, Thermo
This Sudoku is a Beauty
This Sudoku is a Beauty
 00:28:06 29 min
1741 Alien (1979) 2021-02-16 Mark Lisztes German Whispers, Inequality
In Space, No-one can hear you Whisper
In Space, No-one can hear you Whisper
 00:33:37 34 min
1459 pH Anti-Knight Killer Sudoku 2020-10-05 Simon Akash Jain Anti-Knight, Inequality, Killer
When Sudoku Meets Chess...!
When Sudoku Meets Chess...!
 00:40:27 41 min
1273 Little Killer Sudoku 2020-07-09 Mark Philipp Huber Ambiguous Clues, Inequality, Killer, Little Killer
Wait ... HOW many given digits?
Wait ... HOW many given digits?
 00:23:57 24 min
1043 Killer Maths 2020-03-29 Simon Mesmer Inequality, Killer, Math Operators
A Mesmerising Sudoku
A Mesmerising Sudoku
 00:27:35 28 min
908 Sudoku #908 2019-12-15 Mark Robin Geets Inequality, Killer
Joker' Killer Sudoku
Joker' Killer Sudoku
 00:22:01 23 min
658 Sudoku #658 (Daily Killer Sudoku) 2019-05-15 Simon   Inequality, Killer
Let's Do Some Hard Sudoku Sums!
Let's Do Some Hard Sudoku Sums!
 00:25:14 26 min
625 Sudoku #625 (Daily Killer Sudoku) 2019-04-15 Simon   Inequality, Killer
Sudoku And Maths: A Brutal Variant
Sudoku And Maths: A Brutal Variant
 00:40:57 41 min
565 Sudoku #565 (Daily Killer Sudoku) 2019-02-09 Simon   Inequality, Killer
This Sudoku Took the UK Champ An Hour - Can You Do Better?
This Sudoku Took the UK Champ An Hour - Can You Do Better?
 00:30:05 31 min
555 Sudoku #555 (KSO) 2019-01-29 Simon   Inequality, Killer
Mind-bending Killer Sudoku
Mind-bending Killer Sudoku
 00:30:04 31 min
533 Sudoku #533 (Daily Killer Sudoku) 2019-01-04 Mark   Inequality, Killer
Killing the Killer: A Greater-than-Killer Sudoku rated 10/10
Killing the Killer: A Greater-than-Killer Sudoku rated 10/10
 00:17:35 18 min
485 Sudoku #485 (Daily Killer Sudoku) 2018-11-06 Simon   Inequality, Killer
Improve Your Killer Sudoku Technique With This Puzzle
Improve Your Killer Sudoku Technique With This Puzzle
 00:23:12 24 min
476 Sudoku #476 2018-10-26 Mark   Inequality, Killer
A logical solve: Daily Killer on the 26th Oct
A logical solve: Daily Killer on the 26th Oct
 00:17:09 18 min
466 Sudoku #466 (Daily Killer Sudoku) 2018-10-15 Simon   Inequality, Killer
Greater Than Killer Sudoku: Another extremely hard puzzle
Greater Than Killer Sudoku: Another extremely hard puzzle
 00:29:38 30 min
447 Sudoku #447 (Daily Killer Sudoku) 2018-09-27 Simon   Inequality, Killer
Live solve of 10/10 Difficulty Killer Sudoku (Part 1 of 2)
Live solve of 10/10 Difficulty Killer Sudoku (Part 1 of 2)
 00:15:27 16 min
433 Sudoku #433 (Daily Killer Sudoku) 2018-09-13 Mark   Inequality, Killer
Greater-Than Killer: Difficulty 8/10
Greater-Than Killer: Difficulty 8/10
 00:14:44 15 min
416 Sudoku #416 (Daily Killer Sudoku) 2018-08-29 Simon   Inequality, Killer
The Hardest Killer Sudoku And How To Solve It
The Hardest Killer Sudoku And How To Solve It
 00:41:33 42 min
407 Sudoku #407 (Daily Killer Sudoku) 2018-08-20 Mark   Inequality, Killer
Greater Than Killer, by Request
Greater Than Killer, by Request
 00:15:09 16 min
406 Sudoku #406 (Daily Killer Sudoku) 2018-08-19 Simon   Inequality, Killer
"Greater Than Killer Sudoku": Advanced tutorial
"Greater Than Killer Sudoku": Advanced tutorial
 00:24:00 24 min

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