🔢 Sudoku Puzzles

Sudoku puzzle-solving videos from CTC.

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

124 rows where Constraints contains "Ratio" sorted by Id descending

Solver 2

Setter 81

Constraints 81

Id â–² Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
6918 Thermonuclear Reaction 2025-02-25 Simon Eric Rathbun Extra Regions, Ratio, Thermo
The Thermo Sudoku With A Chain Reaction
The Thermo Sudoku With A Chain Reaction
 00:53:43 54 min
6902 Kropki Arrow Sandwich 2025-02-20 Mark RockyRoer Difference, Multitask Clues, Ratio, Sandwich
Math like you've Never Tried Before
Math like you've Never Tried Before
 00:52:13 53 min
6886 Less Than Three 2025-02-15 Mark AnalyticalNinja Difference, Ratio
I HEART Variant Sudoku!
I HEART Variant Sudoku!
 00:51:28 52 min
6866 Echolocation 2025-02-09 Mark Erin Toler Ratio, Sequence, XV
An Echo of Tomorrow's Extra Bonus Video
An Echo of Tomorrow's Extra Bonus Video
 00:45:59 46 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
6837 No Petting! 2025-01-31 Mark TheAsylm Japanese Sums, Liar, Little Killer, Ratio
What makes Sudoku MORE Fun? A Picture at the End!
What makes Sudoku MORE Fun? A Picture at the End!
 00:54:14 55 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
6794 Triple Double 2025-01-18 Mark Jaxar Consecutive, Fog, Incomplete Clues, Ratio
An Extraordinary Sudoku Feat - Achieved
An Extraordinary Sudoku Feat - Achieved
 00:46:51 47 min
6786 Ladder 2025-01-16 Simon zetamath Anti-Renban, Entropic Lines, German Whispers, N-Lines, Ratio, Renban
The Sudoku Ladder: The Return Of Zetamath
The Sudoku Ladder: The Return Of Zetamath
 00:57:37 58 min
6758 Sprinkles Ice Cream 2025-01-07 Mark Frosty German Whispers, Killer, Ratio, Renban, Same Difference Lines, XV
A Deliciously Sweet Sudoku Treat
A Deliciously Sweet Sudoku Treat
 00:23:28 24 min
6757 Sort of Miraculous 2025-01-07 Simon Andy Petersen Anti-Knight, Indexing, O/E, Ratio, Sequence
The Revenge Of The Miracle Sudoku!
The Revenge Of The Miracle Sudoku!
 01:15:43 76 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
6735 Yin Yagn 2024-12-31 Simon Timotab Anti-Renban, Killer, Liar, Quadruple, Ratio, Renban, Yin-Yang
Happy New Year Sudoku: It's a bit WROGN!
Happy New Year Sudoku: It's a bit WROGN!
 00:58:26 59 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
6723 RAT RUN 20: Gifted 2024-12-27 Simon Marty Sears Clone, Consecutive, Fog, O/E, Pathway, Portals, Ratio
The Cliffhanger Finale To Season 2: Sudoku Rat Run In The Fog
The Cliffhanger Finale To Season 2: Sudoku Rat Run In The Fog
 01:24:36 85 min
6717 Sudoquartet 2024-12-25 Mark Wypman Linked Grids, Palindrome, Ratio, Region Sum Lines
A Mammoth Monstrosity for Christmas Day
A Mammoth Monstrosity for Christmas Day
 01:03:32 64 min
6698 Differences Count - part 3 2024-12-19 Mark Marty Sears, sujoyku Counting Differences, Ratio
The Evolution of a Great Puzzle Idea
The Evolution of a Great Puzzle Idea
 00:40:28 41 min
6697 Differences Count - part 2 2024-12-19 Mark Marty Sears, sujoyku 6x6, Counting Differences, Ratio
The Evolution of a Great Puzzle Idea
The Evolution of a Great Puzzle Idea
 00:40:28 41 min
6696 Differences Count - part 1 2024-12-19 Mark Marty Sears, sujoyku 4x4, Counting Differences, Ratio
The Evolution of a Great Puzzle Idea
The Evolution of a Great Puzzle Idea
 00:40:28 41 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
6665 Friendly Borders 2024-12-10 Simon Dorlir Border Squares, Friendly Cells, Magic Square, Ratio
A Phistomefel-ian Miracle Sudoku
A Phistomefel-ian Miracle Sudoku
 00:53:47 54 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
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
6587 You Know How I Roll 2024-11-17 Mark arctan Fog, Ratio, XV
Approachable Fog of War Sudoku!
Approachable Fog of War Sudoku!
 00:20:28 21 min
6580 RAT RUN 14: Thermoregulation 2024-11-15 Simon Marty Sears Equal Sums, Pathway, Ratio, Sequence, Sums
Thank God It's Finkz-Day (The Best Sudoku Series Ever Continues...)
Thank God It's Finkz-Day (The Best Sudoku Series Ever Continues...)
 00:59:25 60 min
6568 Lobster Dinner 2024-11-11 Mark Awedish German Whispers, Modulo, Ratio, Sums
The Perfection of Sudoku Art
The Perfection of Sudoku Art
 00:36:57 37 min
6556 RAT RUN 13: Triskaidekaphilia 2024-11-08 Simon Marty Sears Difference, Extra Regions, Modifier Cells, Pathway, Ratio, Sums, Sweeper, XV
The Rat Returns. And Loves The Number 13...!!?
The Rat Returns. And Loves The Number 13...!!?
 01:14:06 75 min
6553 Out of Order 2024-11-07 Mark blackjackfitz Ratio, Renban
The Youngest Ever Fan of our Channel?
The Youngest Ever Fan of our Channel?
 00:28:30 29 min
6552 Cradle 2024-11-07 Simon Xenonetix Consecutive, Ratio, Sums, Zipper Lines
A Brilliant Way To Teach A New Sudoku Rule
A Brilliant Way To Teach A New Sudoku Rule
 01:08:17 69 min
6548 Alarm 2024-11-06 Simon zetamath Between Lines, N-Lines, Ratio, Renban
The Alarm Clock: A Sudoku Wake-Up Call
The Alarm Clock: A Sudoku Wake-Up Call
 01:07:08 68 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
6490 Fog! Hammer Time! 2024-10-20 Simon Elytron Fog, Indexing, Little Killer, Product Sum Lines, Ratio
It's Hammer Time For Sudoku
It's Hammer Time For Sudoku
 00:55:43 56 min
6465 Restricted Access 2024-10-13 Simon Kennet's Dad Anti-XV, Diagonal, Fog, O/E, Ratio, XV
Solving An Entire Sudoku In Under 60 Seconds!
Solving An Entire Sudoku In Under 60 Seconds!
 00:31:58 32 min
6463 Pea Soup 2024-10-12 Mark Oddlyeven Fog, Ratio, Split Pea Lines
No Soup for You!
No Soup for You!
 00:30:06 31 min
6449 Foes Eternal 2024-10-08 Mark Panthera, TheAsylm Fog, Japanese Sums, Linked Grids, Ratio
A Great Puzzle Pair
A Great Puzzle Pair
 00:54:38 55 min
6329 RAT RUN 10: Sensored 2024-09-01 Simon Marty Sears Fog, Killer, Pathway, Ratio, Sequence, Sweeper
The Final Rat Puzzle? Finkz In The Fog!
The Final Rat Puzzle? Finkz In The Fog!
 01:26:40 87 min
6315 Fifteen Cages 2024-08-28 Simon James Sinclair Fog, Killer, O/E, Ratio, Unique Sums
A 10/10 Fog Sudoku: Fifteen Cages by James Sinclair
A 10/10 Fog Sudoku: Fifteen Cages by James Sinclair
 00:50:54 51 min
6306 RAT RUN 9: Shock Value 2024-08-25 Simon Marty Sears Chinese Whispers, Clone, Equal Sums, Killer, Pathway, Ratio
Don't Electrocute The Rat!
Don't Electrocute The Rat!
 00:42:29 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
6282 Weird Bug 2024-08-17 Mark Jay Dyer Ratio, Renban
Getting to Grips with a Bug
Getting to Grips with a Bug
 00:31:01 32 min
6274 RAT RUN 8: Discontinuous 2024-08-15 Simon Marty Sears Anti-Renban, Doublers, Extra Regions, Pathway, Ratio, XV
Rat Run Sudoku: Marty Sears Is Surely Trolling!!
Rat Run Sudoku: Marty Sears Is Surely Trolling!!
 01:04:44 65 min
6263 Sir Bri Sudoku 2024-08-11 Mark olima German Whispers, Ratio, Renban
Brian May - the Unexpected Tribute!
Brian May - the Unexpected Tribute!
 00:29:32 30 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
6181 Black Mamba 2024-07-16 Mark Lithium-Ion Consecutive, Indexing, Pathway, Ratio
And now, Snaking its way Through our Grid ... a Black Mamba
And now, Snaking its way Through our Grid ... a Black Mamba
 00:40:18 41 min
6167 Take More U-Turns 2024-07-12 Mark Black_Doom Average Arrow, Entropic Lines, N-Lines, Ratio
You Turn if you Want to!
You Turn if you Want to!
 00:48:02 49 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
6154 The Buddy System 2024-07-08 Simon Allagem Between Lines, Counting Circles, Palindrome, Ratio
How Do You Even Start This 5* Sudoku?
How Do You Even Start This 5* Sudoku?
 01:07:16 68 min
6135 RAT RUN 3: Double Dutch 2024-07-02 Simon Marty Sears Dutch Whispers, Pathway, Ratio
The Sudoku Rat Returns!
The Sudoku Rat Returns!
 00:51:41 52 min
6073 Squaring the Squircles 2024-06-13 Mark Patrik Repo Cipher, Exponents, Palindrome, Ratio, Sums, Thermo, XV
These Circles are Definitely Squared!
These Circles are Definitely Squared!
 01:25:50 86 min
6064 Two Is the Loneliest Number 2024-06-10 Mark Caleb Norris Anti-Ratio, German Whispers, Killer, Ratio
Two is Lonely Here!
Two is Lonely Here!
 00:41:43 42 min
6060 Refractions 2024-06-09 Simon Nell Gwyn Arrow, Palindrome, Ratio, Renban
The Best Palindromes In Sudoku!
The Best Palindromes In Sudoku!
 00:49:13 50 min
6017 ±1 2024-05-27 Mark Math Pesto Modifier Cells, Ratio, Renban
Modified Sudoku
Modified Sudoku
 00:34:58 35 min
6008 Shima Yuteki 2024-05-24 Mark rockratzero Killer, Ratio, Shimaguni
A Funky New Ruleset
A Funky New Ruleset
 00:39:58 40 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
5951 One-Fog-Nine 2024-05-07 Simon Meggen033 159, Anti-Ratio, Fog, Killer, Ratio
A Sudoku Catastrophe
A Sudoku Catastrophe
 00:29:47 30 min
5936 La PrimeAvera 2024-05-02 Mark Kothornos Diagonal, Killer, Little Killer, Primes, Ratio
Springtime for Sudoku
Springtime for Sudoku
 00:42:56 43 min
5911 Nuts and Bolts 2024-04-24 Mark Kennet's Dad Killer, Ratio, Region Sum Lines
The Nuts and Bolts of Sudoku
The Nuts and Bolts of Sudoku
 01:00:02 61 min
5830 Warming Sets 2024-03-30 Mark Teal 6x6, Arrow, Entropic Lines, German Whispers, Mean Mini, Ratio, Region Sum Lines, Sums
Enjoy a Lovely 6x6 Sudoku Here!
Enjoy a Lovely 6x6 Sudoku Here!
 00:20:32 21 min
5803 Dark Magic 2024-03-22 Simon Giesmania Consecutive, Deconstruction, Diagonal, Little Killer, Magic Square, Ratio, Thermo
Can You Locate The Magic Squares?
Can You Locate The Magic Squares?
 00:43:55 44 min
5794 Dune: The Mentat's Diversion 2024-03-19 Mark David Workman Killer, Ratio, Thermo
Sudoku based on Dune. This will be Diverting ...
Sudoku based on Dune. This will be Diverting ...
 00:32:35 33 min
5793 Counting Castles 2024-03-19 Simon Marty Sears Adjacency, Ambiguous Clues, Chaos Construction, Counting Circles, Ratio, XV
The Most Powerful Kingdom In Sudoku
The Most Powerful Kingdom In Sudoku
 01:36:06 97 min
5785 March of the Palindromes 2024-03-16 Mark Eric Rathbun Diagonal, Little Killer, Palindrome, Ratio
The Palindromes are on the March!
The Palindromes are on the March!
 00:45:33 46 min
5778 Pi Day 2024 2024-03-14 Mark Dr Logic Anti-Knight, Killer, Ratio, Thermo
Time for Some Irrational Celebrations
Time for Some Irrational Celebrations
 00:44:50 45 min
5774 Diamond in the Rough 2024-03-13 Simon fjam Ratio, Region Sum Lines
This Is A Sudoku Diamond!
This Is A Sudoku Diamond!
 00:34:01 35 min
5738 Defrag 2024-03-02 Simon mormagli Ratio, Renban
This Sudoku Is As Easy As 1,2,3!
This Sudoku Is As Easy As 1,2,3!
 00:38:48 39 min
5706 Kropki Kounting 2024-02-21 Mark Myxo Counting Circles, Difference, Ratio
Don't Join the Dots - Count Them!
Don't Join the Dots - Count Them!
 00:51:47 52 min
5705 Confiable 2024-02-21 Simon James Sinclair Arrow, Killer, Ratio
One Of The EASIEST and Most BEAUTIFUL Sudokus Ever
One Of The EASIEST and Most BEAUTIFUL Sudokus Ever
 00:23:58 24 min
5668 'I can resist everything but temptation' 2024-02-09 Mark Kennet's Dad Anti-Knight, Modulo, Ratio, Thermo
Resisting Everything ... Well, Almost Everything
Resisting Everything ... Well, Almost Everything
 00:47:20 48 min
5664 Harbor 2024-02-08 Mark Bert Battleship, Count, Ratio, Thermo
Become a Harbor Master with Sudoku Skills!
Become a Harbor Master with Sudoku Skills!
 00:34:49 35 min
5640 Pseudo Coup 2024-02-01 Simon SenatorGronk German Whispers, Indexing, Modifier Cells, Ratio, Renban, Thermo
Pseudo Coup: Sudoku With a Difference!
Pseudo Coup: Sudoku With a Difference!
 00:52:09 53 min
5576 2x Cages for the Price of 1 2024-01-13 Mark NurglesGift Incomplete Clues, Killer, Ratio, Thermo, XV
The Gift of Elegant Variant Sudoku
The Gift of Elegant Variant Sudoku
 00:24:13 25 min
5568 Exclusivity 2024-01-11 Simon zetamath Arrow, German Whispers, Miscellaneous, Ratio, Renban, Thermo
Imagine Having A Brain Like This...
Imagine Having A Brain Like This...
 00:53:44 54 min
5527 Per: Zip 2023-12-29 Mark Anthony Anderson Doublers, Ratio, Zipper Lines
A Fabulous Debut Sudoku
A Fabulous Debut Sudoku
 00:42:33 43 min
5507 Spot the Difference 2023-12-23 Simon Marty Sears O/E, Pathway, Ratio, Same Difference Lines
The Ultimate "Spot The Difference" Puzzle
The Ultimate "Spot The Difference" Puzzle
 01:26:14 87 min
5412 Diamond Mining 2023-11-25 Mark Ratfinkz Anti-Knight, Arrow, Counting Circles, Ratio
Mining for Sudoku Gems!
Mining for Sudoku Gems!
 00:42:58 43 min
5394 Schrödinger's Foggy Rationale 2023-11-21 Mark gdc Fog, Ratio, S-Cells
Fog-of-War and Schrodinger Cells? What's Not to Love?
Fog-of-War and Schrodinger Cells? What's Not to Love?
 00:30:45 31 min
5362 That's 3 in the Top Right 2023-11-13 Mark Philip Newman Arrow, Difference, Ratio
Being Your Own GAS Nemesis
Being Your Own GAS Nemesis
 00:40:28 41 min
5352 VeliX 2023-11-11 Mark Felix Ratio, Thermo, XV
"Happy" Days are Here Again
"Happy" Days are Here Again
 00:31:21 32 min
5348 Secret Whispers 2023-11-10 Simon Fafrd Difference, Ratio, Thermo
The Return Of The Miracle Sudoku
The Return Of The Miracle Sudoku
 00:30:57 31 min
5249 Twenty Lines 2023-10-17 Mark David Clamage N-Lines, Ratio
Are Twenty Lines Twice as Fun as Ten Lines?
Are Twenty Lines Twice as Fun as Ten Lines?
 00:29:48 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
5114 Brackets 2023-09-15 Mark Kitten Arrow, Diagonal, Ratio
A Terrible Solve of an Excellent Puzzle
A Terrible Solve of an Excellent Puzzle
 00:55:41 56 min
5066 Collider 2023-09-03 Simon James Sinclair Diagonal, Killer, O/E, Quadruple, Ratio
The Hadron Sudoku Collider
The Hadron Sudoku Collider
 00:40:59 41 min
5046 Beauty Mark 2023-08-29 Simon zetamath Anti-Renban, Ratio, Region Sum Lines
The Beautiful Sudoku Mark
The Beautiful Sudoku Mark
 00:47:01 48 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
4930 Knight Arrows 2023-07-31 Mark Dr Sudoku Anti-Knight, Arrow, Ratio
Help me Solve the Arrows of the Knight
Help me Solve the Arrows of the Knight
 00:31:08 32 min
4874 Six Dots 2023-07-17 Mark Lutterot Indexing, Ratio
Going Dotty about Six Dots
Going Dotty about Six Dots
 01:04:20 65 min
4792 Papier-mâché 2023-06-27 Mark Perladel Indexing, Ratio
The Horrors of Indexing
The Horrors of Indexing
 00:32:54 33 min
4758 Multiple Sudoku 2023-06-18 Mark Clover Ratio
Bwahahaha! Evil Sudoku Genius at work ...
Bwahahaha! Evil Sudoku Genius at work ...
 00:33:55 34 min
4739 Tears of the Kropki 2023-06-14 Mark Philip Newman Difference, Ratio
GAS Around the Clock
GAS Around the Clock
 00:39:06 40 min
4659 The Odd Couple 2023-05-24 Mark Philip Newman Difference, Ratio
GAS Qu'est-ce que c'est?
GAS Qu'est-ce que c'est?
 00:40:19 41 min
4537 HI 2023-04-25 Mark Philip Newman Ratio
Nothing But the GAS
Nothing But the GAS
 00:36:12 37 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
4361 Love Numbers 2023-03-11 Mark Philip Newman Difference, Ratio
Approach this GAS with Care
Approach this GAS with Care
 00:41:40 42 min
4344 A Different Kind of Magic 2023-03-07 Simon Myxo Difference, Irregular, Magic Square, Ratio
The Sudoku With 9 Magic Squares
The Sudoku With 9 Magic Squares
 00:41:33 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
4277 Back to the Ratio 2023-02-18 Mark Bill Murphy Ratio
Back to the GAS Lab
Back to the GAS Lab
 00:35:20 36 min
4171 All I Want for Christmas Is 2 2023-01-24 Mark Philip Newman Difference, Ratio
All I want is GAS
All I want is GAS
 00:33:40 34 min

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