🔢 Sudoku Puzzles

Sudoku puzzle-solving videos from CTC.

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

401 rows where Constraints contains "Kropki" sorted by Id descending

Solver 3

Setter 229

Constraints 134

Id ▲ Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
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
6536 Giraffe Hunt 2 2024-11-03 Simon bellal Copycat, Fairy Chess, Killer, Kropki, Thermo
We're Going On A Giraffe Hunt! Sudoku Fairy Chess
We're Going On A Giraffe Hunt! Sudoku Fairy Chess
 00:51:16 52 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
6509 Hex-Proof 2024-10-25 Mark Qoala 1-15 Digits, Anti-Kropki, Killer, Kropki, Mean Mini
The Cutest Puzzle - if you speak this language!
The Cutest Puzzle - if you speak this language!
 00:56:09 57 min
6494 The Answer to the Ultimate Question 2024-10-21 Simon ViKingPrime Arrow, Extra Regions, German Whispers, Kropki, Modifier Cells, Renban, Sums
The Answer To The Ultimate Question
The Answer To The Ultimate Question
 01:49:28 110 min
6488 Orbit 2024-10-19 Mark Gerhard1963 Diagonal, Kropki, Whispers
A Puzzle with a Comical Ruleset
A Puzzle with a Comical Ruleset
 00:18:16 19 min
6485 Quetzalcóatl 2024-10-18 Mark aqjhs Anti-Knight, Kropki, Modular Lines
An Extraordinary Excursion deep into a Sudoku Idea
An Extraordinary Excursion deep into a Sudoku Idea
 00:50:09 51 min
6443 Rupees 2024-10-06 Mark Sotehr Dutch Whispers, Entropic Lines, German Whispers, Kropki, Modular Lines, Region Sum Lines, Renban, Thermo
Proof that this Sudoku Solver Knows Nothing about Zelda
Proof that this Sudoku Solver Knows Nothing about Zelda
 00:28:01 29 min
6420 Ocotillo Blossoms 2024-09-29 Mark Cheerfuljanb Dutch Whispers, German Whispers, Kropki, XV
For my present: Honour my Mother!
For my present: Honour my Mother!
 00:15:54 16 min
6406 Hazy Rellik 2024-09-25 Simon gdc Fog, Kropki, Rellik Cages
Why Is There Such A Fuss About Fog Sudokus? THIS Is Why.
Why Is There Such A Fuss About Fog Sudokus? THIS Is Why.
 00:41:35 42 min
6392 Major Diagonals Speed Run 2024-09-20 Mark Will Power Diagonal, Kropki
The Sudoku Speedrun Challenge
The Sudoku Speedrun Challenge
 00:19:04 20 min
6385 A Night in the Entropics 2024-09-18 Mark Thomas Prestopnik Anti-King, Anti-Queen, Digit Restriction, Entropic Lines, Kropki
So Much Chess in my Sudoku!
So Much Chess in my Sudoku!
 00:30:05 31 min
6382 Multiverse 2024-09-17 Mark Jonesy Counting Circles, German Whispers, Kropki, Loop, Multitask Clues, Sweeper
Sudoku Heads Into the Multiverse
Sudoku Heads Into the Multiverse
 00:28:50 29 min
6379 Sleeper Cells 2024-09-16 Mark Bearded Fool German Whispers, Indexing, Kropki, Liar, Parity Lines, Region Sum Lines, Renban
Sleepy Time Sudoku
Sleepy Time Sudoku
 00:53:30 54 min
6375 Right up to the Point 2024-09-15 Mark The Autistic Kantian Kropki, Thermo
A Lovely Approachable Thermo Sudoku
A Lovely Approachable Thermo Sudoku
 00:18:33 19 min
6350 The Lizard Baby Disambiguation 2024-09-07 Mark olima 159, German Whispers, Kropki
Who Knows if it's a Lizard or a Baby?
Who Knows if it's a Lizard or a Baby?
 01:09:29 70 min
6288 This + This = That 2024-08-19 Mark Eric Rathbun Arrow, Kropki
What is the Difference Between This and That?
What is the Difference Between This and That?
 00:32:51 33 min
6269 Krokpi DotS 2024-08-13 Mark Nityant Agarwal German Whispers, Kropki
At Last! Superman is Identified
At Last! Superman is Identified
 00:22:17 23 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
6250 Apologetic Airlines 2024-08-07 Mark olima German Whispers, Indexing, Kropki, Region Sum Lines, Renban
Apologetic Airlines
Apologetic Airlines
 00:33:04 34 min
6222 Vortex 2024-07-29 Mark Donatello_86 Arrow, German Whispers, Killer, Kropki
An Endless Vortex ... of Turtles?
An Endless Vortex ... of Turtles?
 00:23:30 24 min
6219 Stolen Numerals King XV 2024-07-28 Mark NurglesGift Ambiguous Clues, Anti-King, Anti-XV, Kropki, XV
Don't Steal All my Sudoku Numbers!
Don't Steal All my Sudoku Numbers!
 00:41:30 42 min
6178 Easy as a Quattroquadri 2024-07-15 Mark damasosos92 First Seen, Irregular, Kropki, Quattroquadri
As Promised, the Harder Version ...
As Promised, the Harder Version ...
 00:37:51 38 min
6130 Potting the Pink 2024-06-30 Mark BPH Mills Kropki, Neighbour Sums, Primes
Pink or Purple - You Choose!
Pink or Purple - You Choose!
 00:12:52 13 min
6109 Knightmare on Mount Pleasant Avenue 2024-06-24 Mark David Workman Anti-XV, Killer, Knight's Move, Kropki
An Avenue of Pleasure ... or Pain
An Avenue of Pleasure ... or Pain
 00:41:28 42 min
6099 Kropki Cave 2024-06-21 Mark Ben Needham Anti-Kropki, Cave, Kropki
Ben is Back!
Ben is Back!
 00:34:54 35 min
6077 UEFA EURO 2024 Opening Game 2024-06-14 Mark Arlo Lipof Arrow, Killer, Kropki, Palindrome, Unique Sums
Predicting the Euros Result ... in Sudoku
Predicting the Euros Result ... in Sudoku
 00:23:31 24 min
6067 Snake Farm 2024-06-11 Mark Cristopher Moore Extra Regions, Kropki, Pathway, Thermo
Sometimes you have to Know when to Start Again
Sometimes you have to Know when to Start Again
 00:39:03 40 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
6023 The Rabbit of Caerbannog 2024-05-29 Mark Olli Wright German Whispers, Kropki
See Monty Python's Horrific Rabbit
See Monty Python's Horrific Rabbit
 00:20:37 21 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
5969 MOM DAY 2024-05-12 Mark Kennet's Dad Arrow, Between Lines, Entropic Lines, German Whispers, Kropki, Region Sum Lines, Renban, XV
For all the Moms ... Sudoku!
For all the Moms ... Sudoku!
 00:41:09 42 min
5927 Chain Link 2024-04-29 Mark Kira Arrow, Killer, Kropki, Palindrome, Polarity, Sums
Is the Chain as Strong as its Weakest LInk?
Is the Chain as Strong as its Weakest LInk?
 00:44:52 45 min
5918 Primal Roots 2024-04-26 Mark Matt Tressel Adjacency, Kropki, Primes
Investigating Sudoku's Primal Roots
Investigating Sudoku's Primal Roots
 00:30:18 31 min
5908 Distorted Harmony 2024-04-23 Mark Amin Khalek Doublers, German Whispers, Kropki, XV
Spectral Distortions
Spectral Distortions
 00:49:26 50 min
5905 Inner Harmony 2024-04-22 Mark Allagem Incomplete Clues, Kropki, Thermo
Restore your Inner Harmony with Sudoku
Restore your Inner Harmony with Sudoku
 00:34:40 35 min
5898 Caged Arrows 2 2024-04-20 Simon Eric Rathbun Arrow, Killer, Kropki
The Caged Arrows: An Approachable Sudoku
The Caged Arrows: An Approachable Sudoku
 00:23:57 24 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
5874 Quiet Box 2024-04-13 Simon Tacosian German Whispers, Kropki, Thermo
Incredible Sudoku Brings Tears To This Solver's Eyes
Incredible Sudoku Brings Tears To This Solver's Eyes
 00:54:06 55 min
5850 Crac-King the Easter Eggs 2024-04-05 Mark olima Anti-King, German Whispers, Kropki, Region Sum Lines
The Beautiful Sudoku Easter Eggs
The Beautiful Sudoku Easter Eggs
 00:29:38 30 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
5838 Copycat 2024-04-02 Simon Phistomefel Copycat, Kropki, Palindrome, Zipper Lines
The "Easiest" Phistomefel Sudoku!?
The "Easiest" Phistomefel Sudoku!?
 01:01:23 62 min
5822 Across the Lines 2024-03-28 Simon Michael Lefkowitz Kropki, Pathway, Polarity
Our Most Emotional Video
Our Most Emotional Video
 01:06:50 67 min
5815 Solver, There’s a Fly on My Sudoku! 2024-03-26 Simon IcyFruit Kropki, O/E, Pathway
Phistomefel Told Us To Do This!
Phistomefel Told Us To Do This!
 00:57:42 58 min
5768 Angels 2024-03-11 Mark GoodCity Doublers, German Whispers, Kropki
Sudoku on the Side of the Angels!
Sudoku on the Side of the Angels!
 01:10:39 71 min
5735 Kaiserliche Marine 2024-03-01 Simon Oripy Battleship, Count, German Whispers, Kropki
Battleships AND Sudoku!
Battleships AND Sudoku!
 01:02:57 63 min
5732 Arrow-Kropki Pairs Hybrid Sudoku 2024-02-29 Mark Akash Doulani Arrow, Kropki
Sudoku through the Looking Glass
Sudoku through the Looking Glass
 00:45:28 46 min
5719 One of These Things... 2024-02-25 Mark Jrosas Killer, Kropki, Yin-Yang
One of These Things is Not Like the Others!
One of These Things is Not Like the Others!
 01:00:26 61 min
5718 Rellik Loop 2024-02-25 Simon blackjackfitz Killer, Kropki, Loop, Rellik Cages
When A Digit Can Be In One Of Six Places And It Matters...!!
When A Digit Can Be In One Of Six Places And It Matters...!!
 01:07:27 68 min
5716 Dominoes Apartment 2024-02-24 Mark Halen Mackenzie 8x8, Kropki, XV
A VERY Approachable 8x8 Sudoku - Try it! You can do it ...
A VERY Approachable 8x8 Sudoku - Try it! You can do it ...
 00:13:43 14 min
5709 Chuy the “Frisbee Detective” 2024-02-22 Mark SandraNala Fog, Kropki, Palindrome, Slingshot
Can you Beat this Dog at Sudoku?
Can you Beat this Dog at Sudoku?
 00:29:07 30 min
5699 What Lies Beyond the Fog 2024-02-19 Simon ViKingPrime Counting Circles, Dutch Whispers, Fog, German Whispers, Killer, Kropki, Liar, S-Cells, XV
Things Are REALLY Wrogn In The Sudoku Fogn!
Things Are REALLY Wrogn In The Sudoku Fogn!
 01:39:18 100 min
5696 Mad Mod Quad Loop 2024-02-18 Simon yttrio Kropki, Loop, Modular Lines, Quadruple
The Colours Of Logic
The Colours Of Logic
 00:50:21 51 min
5653 Cosmic Balance 2024-02-05 Simon Nurator Fog, Killer, Kropki, O/E, Quadruple, Spiral Galaxies
This Fog-Of-War Sudoku Is Absolutely Stellar!
This Fog-Of-War Sudoku Is Absolutely Stellar!
 01:05:57 66 min
5648 All the Dots Are Brown 2024-02-03 Mark gdc Ambiguous Clues, Fog, Kropki
Brown Dots Don't BELONG in a Sudoku ...
Brown Dots Don't BELONG in a Sudoku ...
 00:24:54 25 min
5647 Catch the Zippersnake 2024-02-03 Simon Dorlir, Marty Sears German Whispers, Kropki, O/E, Pathway, XV, Zipper Lines
When Sudoku Becomes Poetry...
When Sudoku Becomes Poetry...
 01:27:53 88 min
5622 Inner Circles 2024-01-26 Mark Michael Lefkowitz Fog, Incomplete Clues, Kropki, XV
Some Remarkable Inner Circles
Some Remarkable Inner Circles
 00:41:55 42 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
5591 Not Just Once 2024-01-18 Simon James Sinclair Diagonal, Killer, Kropki
Stairway To Heaven Eleven!
Stairway To Heaven Eleven!
 00:57:44 58 min
5588 Highly Counterintuitive 2024-01-17 Mark Jaze Anti-Knight, Arrow, German Whispers, Kropki, Repeat Digits, XV
Sometimes ... Normal sudoku rules do not apply!
Sometimes ... Normal sudoku rules do not apply!
 00:19:40 20 min
5566 Dots and Blocks! 2024-01-10 Mark Halen Mackenzie Kropki, XV
A Very Approachable Intro to Domino Sudoku
A Very Approachable Intro to Domino Sudoku
 00:17:48 18 min
5555 Sharing Is Caring 2024-01-07 Simon ThePedallingPianist 0-9 Digits, 4x4, Kropki, S-Cells, XV
4x4 Sudoku Causes An EPIC MATHS FAIL
4x4 Sudoku Causes An EPIC MATHS FAIL
 00:52:37 53 min
5539 Smoggy Knight 2024-01-02 Simon PotatoHead21 Anti-Knight, Fog, Killer, Kropki, O/E, Sums, XV
The Phistomefel Ring Sums To 109
The Phistomefel Ring Sums To 109
 01:03:39 64 min
5514 How to Build a Snowman 2023-12-25 Mark Nordy 0-8 Digits, Arrow, German Whispers, Kropki, Miscellaneous, Thermo
How to Build your own Snowman
How to Build your own Snowman
 00:31:37 32 min
5513 Tannenbaumino 2023-12-25 Simon Cristopher Moore German Whispers, Kropki, Polyominoes, Renban, Sums, Thermo
O Christmas Tree: A Yuletide Sudoku!
O Christmas Tree: A Yuletide Sudoku!
 00:54:57 55 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
5494 Stardoku Wars 2023-12-19 Mark Erik Borker Arrow, Kropki, Thermo
The Rebel Alliance has been Saved! ... by Very Approachable Sudoku
The Rebel Alliance has been Saved! ... by Very Approachable Sudoku
 00:14:08 15 min
5487 Trick Play 2023-12-17 Simon ViKingPrime Arrow, Counting Circles, Kropki, Liar, O/E, XV, Zipper Lines
Two Truths And A LOT Of Lies!
Two Truths And A LOT Of Lies!
 00:57:13 58 min
5471 Bridging the Mines 2023-12-13 Simon Florian Wortmann Count, Kropki, O/E, Sweeper, Yin-Yang
Why Does He Need A Camera To Solve The Sudoku?!
Why Does He Need A Camera To Solve The Sudoku?!
 01:04:33 65 min
5465 Welcome to Secondary School 2023-12-11 Mark Flipsen Anti-Knight, Arrow, Fog, Kropki, Primes, XV
Improve your Secondary Education
Improve your Secondary Education
 00:52:58 53 min
5458 First Advent Sunday Lake Tour 2023-12-09 Simon SandraNala Chinese Whispers, Fog, Killer, Kropki, Loop
Our Love Story With Fog-Of-War Sudoku
Our Love Story With Fog-Of-War Sudoku
 00:39:48 40 min
5449 Chemistry Is Like a Puzzle... 2023-12-06 Mark Sumanta Mukherjee Entropic Lines, Kropki, Thermo
Chemistry is like a puzzle ... But Maybe not This One!
Chemistry is like a puzzle ... But Maybe not This One!
 00:28:41 29 min
5434 Fillomenon 2023-12-02 Simon Darth Paradox Arrow, Deconstruction, Fillomino, Fog, Kropki, Projected Sums, Renban
Our Longest Sudoku Solve Ever
Our Longest Sudoku Solve Ever
 02:52:19 173 min
5427 Slalom mit Ablenkung 2023-11-30 Simon SandraNala Arrow, Dutch Whispers, Fog, German Whispers, Killer, Kropki, Liar, O/E, Quadruple, Slow Thermo
The Fogn In This Sudoku Is Wrogn!!!
The Fogn In This Sudoku Is Wrogn!!!
 00:49:09 50 min
5418 Point of View 2023-11-27 Mark Nordy Diagonal, Kropki, Region Sum Lines
Another Sudoku Discovery
Another Sudoku Discovery
 00:30:31 31 min
5405 Fibonacci 2023-11-23 Mark Jobo Diagonal, Kropki
Happy Fibonacci Day
Happy Fibonacci Day
 00:24:30 25 min
5393 Skiing Through the Fog 2023-11-21 Simon ElChiglia Between Lines, Fog, Kropki, Pathway, Polarity, XV
Skiing Through The Sudoku Fog
Skiing Through The Sudoku Fog
 00:35:28 36 min
5369 Nori Nori Christmas 2023-11-15 Simon SandraNala Fog, Killer, Kropki, Norinori
Christmas Comes Early To Sudoku!
Christmas Comes Early To Sudoku!
 00:42:48 43 min
5344 Lavender in the Fog 2023-11-09 Simon gdc Fog, Kropki, Zipper Lines
THIS Actually Makes Learning Maths FUN
THIS Actually Makes Learning Maths FUN
 00:45:26 46 min
5332 Ancient Altar 2023-11-06 Mark Myxo Diagonal, Entropic Lines, Kropki
On the Altar of Sudoku
On the Altar of Sudoku
 00:54:24 55 min
5329 Dotween 2023-11-05 Mark Jodawo Between Lines, Kropki
But Can you Read Between the Dots?
But Can you Read Between the Dots?
 00:28:45 29 min
5328 The Positive Diagonal 2023-11-05 Simon 99% Sneaky Arrow, Clone, Diagonal, Fog, German Whispers, Kropki
The Sudoku That Compliments You!!
The Sudoku That Compliments You!!
 00:41:35 42 min
5311 Gallimaufry 2023-11-02 Simon Jay Dyer Diagonal, Killer, Kropki, Modular Lines, Renban, Thermo
The Second Hardest Sudoku
The Second Hardest Sudoku
 00:46:46 47 min
5288 Dense Fog 2023-10-27 Simon Bruce Svare Anti-Knight, Fog, Kropki, Little Killer, Quadruple
A New Type Of Sudoku Fog!!
A New Type Of Sudoku Fog!!
 01:01:38 62 min
5272 BWWWWWWWahaha 2023-10-23 Mark Philip Newman Kropki
A Dinosaur Pays a Visit to GAS
A Dinosaur Pays a Visit to GAS
 00:51:07 52 min
5254 Welcome to Elementary School 2023-10-19 Simon Flipsen Arrow, Fog, Kropki, Sequence
A Complete Fibonacci Fog!
A Complete Fibonacci Fog!
 00:38:26 39 min
5252 Amongst Our Weaponry 2023-10-18 Mark MrDon Anti-King, Arrow, Kropki, Thermo
Let Me Correct Myself: Amongst our Weaponry ...
Let Me Correct Myself: Amongst our Weaponry ...
 00:22:34 23 min
5251 Call My Bluff 2023-10-18 Simon Tallcat Between Lines, German Whispers, Kropki, Liar, O/E, Renban, Sandwich, XV
33% Of Everything Is WROGN
33% Of Everything Is WROGN
 01:30:44 91 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
5232 Beautiful Day 2023-10-13 Simon SandraNala Arrow, Fog, Incomplete Clues, Kropki, Thermo
A Sudoku For Your Mental Health (feat. Ren) : RULES CORRECTED
A Sudoku For Your Mental Health (feat. Ren) : RULES CORRECTED
 00:43:13 44 min
5226 129 Pairs 2023-10-12 Mark Philip Newman Kropki, XV
GAS and the Nasty Nemesis
GAS and the Nasty Nemesis
 00:38:37 39 min
5182 6x6 Kropki Pairs Sudoku 2023-10-01 Mark Bill Murphy 6x6, Kropki
A Surprising Amount of GAS
A Surprising Amount of GAS
 00:39:17 40 min
5166 Guess the Renban 2023-09-28 Simon gdc Fog, Kropki, Renban
Do You Have To Guess What's Under The Fog?
Do You Have To Guess What's Under The Fog?
 01:00:40 61 min
5159 Kropki Pairs Sudoku 2023-09-26 Mark shye Kropki
GAS with House Guests
GAS with House Guests
 00:43:49 44 min
5150 Negative Kropki Arrows 2023-09-24 Mark Finn Scherer Anti-Kropki, Arrow, Kropki, Modifier Cells
The Newest Type of Sudoku Special Square
The Newest Type of Sudoku Special Square
 00:36:34 37 min
5149 Dots and Stripes 2023-09-24 Simon GBPack Kropki, Thermo
A Sudoku With Just 4 Given Thermometers/Dots
A Sudoku With Just 4 Given Thermometers/Dots
 00:37:42 38 min
5135 Foggy YYSL 2023-09-21 Simon Blobz Count, Fog, Kropki, Quadruple, Yin-Yang
How To Solve Sudoku Without Cheating ;)
How To Solve Sudoku Without Cheating ;)
 00:43:58 44 min
5124 I'm Desperately Seeking Barbie 2023-09-17 Mark Panthera Japanese Sums, Kropki
Hi Barbie. Where Are You?
Hi Barbie. Where Are You?
 00:30:59 31 min
5101 Kropki Pairs Sudoku 2023-09-11 Mark Clover Kropki
A Major GAS Leak
A Major GAS Leak
 00:35:36 36 min
5094 Dancing in the Rain 2023-09-10 Mark Sumanta Mukherjee German Whispers, Killer, Kropki, Thermo
Dancing in the Rain
Dancing in the Rain
 00:22:56 23 min

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