🔢 Sudoku Puzzles

Sudoku puzzle-solving videos from CTC.

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

2,547 rows where Solver contains "Mark" sorted by Id descending

Solver 3

Setter 707

Constraints 329

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
6534 Numbered Difference 2024-11-02 Mark AstralSky Numbered Rooms, XY-Differences
Why won't you tell me My Room Number?
Why won't you tell me My Room Number?
 00:37:30 38 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
6527 Carved Out 2024-10-31 Mark Wypman Entropic Lines, German Whispers, Thermo, XV
A Gentle Halloween Experience - I Promise!
A Gentle Halloween Experience - I Promise!
 00:13:41 14 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
6518 Tee Time 2024-10-28 Mark Brinel Consecutive, German Whispers, Killer, Region Sum Lines
All Quiet on the Tee!
All Quiet on the Tee!
 00:21:13 22 min
6515 German Indeuxers 2024-10-27 Mark Donatello_86 Arrow, Consecutive, German Whispers, Killer, XV
Where are these Creepy Crawlies from?
Where are these Creepy Crawlies from?
 00:41:40 42 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
6504 PB and Chip 2024-10-24 Mark Chip Sounder 6x6, Little Killer, Sandwich
A Really Approachable 6x6 sudoku
A Really Approachable 6x6 sudoku
 00:13:13 14 min
6501 Unique Islands of Nine 2024-10-23 Mark Scruffamudda Count, Non-Repeat, Region Building, Sums
Desert Island Sudoku
Desert Island Sudoku
 00:36:50 37 min
6498 Killer Caves 2024-10-22 Mark Stephen Mason Cave, Digit Restriction, Killer
Getting Lost in a Cave of Sudoku!
Getting Lost in a Cave of Sudoku!
 00:44:17 45 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
6491 Nexus 2024-10-20 Mark Ren the Mushroom Incomplete Clues, Taxicab
How can a Mushroom Create a Puzzle?
How can a Mushroom Create a Puzzle?
 00:33:11 34 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
6481 Integral of x³ 2024-10-17 Mark Evan German Whispers, Killer, Region Sum Lines, Renban, XV
The Integration Expansion
The Integration Expansion
 00:20:43 21 min
6477 Seicentomila 2024-10-16 Mark Florian Wortmann Killer, N-Lines, Sandwich
600,000 Subscribers - How is it possible?
600,000 Subscribers - How is it possible?
 00:38:37 39 min
6472 Cool S(udoku) 2024-10-15 Mark ChinStrap Consecutive, Dutch Whispers, Renban, Slow Thermo
The Puzzle that started with a Graffiti Symbol
The Puzzle that started with a Graffiti Symbol
 00:36:37 37 min
6469 Mexican Standoff 2024-10-14 Mark Mile Lemaić Anti-Knight, Arrow, Thermo
An Echo of another Puzzle?
An Echo of another Puzzle?
 00:58:09 59 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
6460 It’s a Secret 2024-10-11 Mark Jaxar Dutch Whispers, Killer, Multitask Clues, Region Sum Lines
Never Gonna Give This Up
Never Gonna Give This Up
 00:58:35 59 min
6456 Four Finger Death Punch 2024-10-10 Mark Jonesy Counting Circles, German Whispers, Loop, Multitask Clues, Sweeper
The Sudoku that Tries to Destroy you
The Sudoku that Tries to Destroy you
 00:26:55 27 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
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
6446 Is Zipper a Zodiac Sign? 2024-10-07 Mark gdc Fog, Killer, Spiral Galaxies, Zipper Lines
This Constructor has ALL the Skills
This Constructor has ALL the Skills
 00:38:47 39 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
6440 Climbing the Stairs 2024-10-05 Mark Aad van de Wetering Clone, Difference
The Stairway to Sudoku Heaven
The Stairway to Sudoku Heaven
 00:18:00 18 min
6437 Nightcap 2024-10-04 Mark Cristopher Moore 6x6, Little Killer, Multitask Clues, Sandwich, X-Sums
This is a Minor Miracle
This is a Minor Miracle
 00:10:31 11 min
6433 Nobody's Perfect 2024-10-03 Mark Lithium-Ion Factors, Incomplete Clues, Killer, Non-Consecutive
The Perfect Sudoku?
The Perfect Sudoku?
 00:36:47 37 min
6430 Psst, I’m in the Loop 2024-10-02 Mark Calvinball Loop, Sandwich
Use the Sudoku Secret Wisely!
Use the Sudoku Secret Wisely!
 00:50:30 51 min
6426 Medieval Buffet 2024-10-01 Mark MantaRay Arrow, Killer, Sandwich, Unique Sums, Yin-Yang
This New Constructor is out to Get me!
This New Constructor is out to Get me!
 01:41:27 102 min
6423 Putting Green 2 2024-09-30 Mark Brinel Consecutive, Dutch Whispers, German Whispers, Quadruple, Renban
Crazy Golf or Crazy Sudoku?
Crazy Golf or Crazy Sudoku?
 00:24:23 25 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
6417 XV Ballpit 2024-09-28 Mark Wypman Killer, XV
Join us for some fun in the Sudoku Ballpit ...
Join us for some fun in the Sudoku Ballpit ...
 00:21:27 22 min
6414 Super Nova 2024-09-27 Mark Ahmadoku Arrow, XV
Return of the Sudoku Supernova?
Return of the Sudoku Supernova?
 00:15:18 16 min
6410 Happy Anniversary Mum & Dad! 2024-09-26 Mark ThePedallingPianist 8x8, Anti-Knight, Consecutive, Digit Restriction, Incomplete Clues, Killer, Modifier Cells
A Wild Sudoku Celebration
A Wild Sudoku Celebration
 00:43:39 44 min
6407 Four Lines Make X and V 2024-09-25 Mark Biddy Anti-XV, Between Lines, Entropic Lines, German Whispers, Renban, XV
Four Lines is all you need
Four Lines is all you need
 00:23:47 24 min
6404 Portal Hopping 2024-09-24 Mark Gerhard1963 Consecutive, Irregular, Quadruple, Renban
How can such a Ruleset have such an Empty Grid?
How can such a Ruleset have such an Empty Grid?
 00:43:48 44 min
6401 Kill Or Quads 2024-09-23 Mark Matt Tressel Ambiguous Clues, Quadruple, Sums
The Choice you Don't Want to Have to Make
The Choice you Don't Want to Have to Make
 00:47:14 48 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
6395 Prime Loop 2024-09-21 Mark Klausku Killer, Loop, Primes, Region Sum Lines
Going Loopy over my Sudoku!
Going Loopy over my Sudoku!
 00:38:06 39 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
6388 Off Killter 2024-09-19 Mark Skeptical Mario Killer
Is this puzzle Off Kilter?
Is this puzzle Off Kilter?
 00:26:53 27 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
6372 Lightning Strikes Over the City 2024-09-14 Mark Gerhard1963 Killer, Multi-Digit Arrow, Skyscraper
Lightning Strikes my Sudoku! Help!
Lightning Strikes my Sudoku! Help!
 00:38:03 39 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
6365 Snooker 2024-09-12 Mark Wichu Anti-Knight, Arrow, Extra Regions, Killer, Thermo
Sudoku's Maximum Break - Can You Solve the 147 Challenge?
Sudoku's Maximum Break - Can You Solve the 147 Challenge?
 00:47:45 48 min
6362 Look and Whisper 2024-09-11 Mark Holzanatom, Lithium-Ion German Whispers, Look-and-Say, Multitask Clues
Untangle these green lines - if you can!
Untangle these green lines - if you can!
 00:29:09 30 min
6359 Alchemist Sudoku 2024-09-10 Mark Irius Arrow, Extra Regions, Killer, Little Killer, Thermo
Alchemy in Sudoku
Alchemy in Sudoku
 00:22:16 23 min
6356 ISD 9/9/2024 2024-09-09 Mark Grant McLean Killer, Non-Consecutive, Thermo
It's International Sudoku Day! Try this puzzle
It's International Sudoku Day! Try this puzzle
 00:16:53 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
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
6347 13 2024-09-06 Mark Sudoku Noob Diagonal, Killer, Sandwich, XV
When is a Noob an Experienced Expert?
When is a Noob an Experienced Expert?
 00:32:16 33 min
6343 The Continental 2024-09-05 Mark Blobz Fog, Killer, Vault
Struggling with the Vaults - Again!
Struggling with the Vaults - Again!
 00:41:13 42 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
6336 Inner Peas 2024-09-03 Mark SamuPiano Modifier Cells, Split Pea Lines, Yin-Yang
Inner Peas
Inner Peas
 00:57:05 58 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
6330 Pining for the Fjords 2024-09-01 Mark Trufflebear Killer, Negators, Thermo, Yin-Yang
Pining for the Fjords
Pining for the Fjords
 00:37:39 38 min
6327 Lief, the Univeres, and Everythign 2024-08-31 Mark SSGranor Anti-Renban, Ascending Starters, Entropic Lines, Killer, Liar, Modular Lines, Parity Lines, Quadruple, Renban, Thermo
Everythign is Wrogn Here!
Everythign is Wrogn Here!
 00:56:31 57 min
6323 Killer's Circle 2024-08-30 Mark Skeptical Mario Killer
Circling the Killer
Circling the Killer
 00:28:49 29 min
6319 22 2024-08-29 Mark Bfranj17 Arrow, Killer
What if the secret number was 22?
What if the secret number was 22?
 00:50:45 51 min
6316 Negative X Plus V 2024-08-28 Mark Bokke Anti-XV, Irregular, Killer, XV
Negative Boxes
Negative Boxes
 00:42:14 43 min
6313 Spread 2024-08-27 Mark Kennet's Dad Double Arrow, Multiplication
Inspired by Phistomefel - Individually Exquisite
Inspired by Phistomefel - Individually Exquisite
 00:36:24 37 min
6310 Time Flies Like an Arrow... 2024-08-26 Mark Abdul the Killer Adjacency, Count, Difference, Yin-Yang
Trying to get Finished before the Plumber ...
Trying to get Finished before the Plumber ...
 01:03:13 64 min
6307 Vaulted Lattice 2024-08-25 Mark Blobz Renban, Vault
More Amazing Parallel Lines!
More Amazing Parallel Lines!
 00:31:35 32 min
6304 Mathemagics 2024-08-24 Mark Lithium-Ion Indexing, Loop, Magic Square, Neighbour Sums
The Magic of an Empty Grid
The Magic of an Empty Grid
 00:39:04 40 min
6301 With Friends Like This ... 2024-08-23 Mark Ratfinkz Consecutive, Extra Regions, Friendly Cells, Killer, Negators, Non-Consecutive
The Rat has Friends ...
The Rat has Friends ...
 00:40:56 41 min
6297 Mystery Product 2024-08-22 Mark Oddlyeven Fog, Product Sum Lines
A Real Surprise Package
A Real Surprise Package
 00:36:15 37 min
6294 Cosmic Cages 2024-08-21 Mark yanggang Adjacency, Spiral Galaxies, Sums
Welcome to our Galaxy!
Welcome to our Galaxy!
 01:18:56 79 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
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
6285 Bow Fishing 2024-08-18 Mark Scott Williams Arrow, Killer, Thermo
Fishing for Compliments
Fishing for Compliments
 00:58:53 59 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
6279 Parallel Interference 2024-08-16 Mark Legor455 Diagonal, Killer, Little Killer
What are Degrees of Freedom? Why do they Matter in Sudoku?
What are Degrees of Freedom? Why do they Matter in Sudoku?
 00:25:33 26 min
6275 Big Bang 2024-08-15 Mark Aad van de Wetering Arrow
Right at the Middle of the Big Bang
Right at the Middle of the Big Bang
 00:20:01 21 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
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
6266 Would You Like That Toasted? 2024-08-12 Mark Justin Vitanza Incomplete Clues, Sandwich, Thermo
How do you like your Sudoku?
How do you like your Sudoku?
 00:45:53 46 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
6260 Magical Clock 2024-08-10 Mark Jeroen Panda Little Killer, Magic Square, Zipper Lines
A Magical Clock for your Delight!
A Magical Clock for your Delight!
 00:23:59 24 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
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
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
6244 Alarm Clock 2024-08-05 Mark Jobo Consecutive, Disjoint Groups, Incomplete Clues, Parity Lines, Thermo, XV
A Very Late Alarm Call
A Very Late Alarm Call
 00:37:25 38 min
6241 Walking in a Circle 2024-08-04 Mark fractalminding 6x6, Fog, Parity Lines, Renban, Thermo
Very Approachable Fog of War Sudoku
Very Approachable Fog of War Sudoku
 00:13:57 14 min
6238 Wake Up! 2024-08-03 Mark Pete Craig Quadruple, Region Sum Lines
Wake Up with Sudoku!
Wake Up with Sudoku!
 00:17:53 18 min
6235 Buddy System 2024-08-02 Mark rysmyth Adjacency, Digit Restriction, Friendly Cells
Every Buddy Needs a Buddy
Every Buddy Needs a Buddy
 00:21:38 22 min
6231 Projojojomo 2024-08-01 Mark Jobo, Jojo, Scojo Cipher, Clone, Difference, Quadruple
The Scojojobo Promo - I mean it!
The Scojojobo Promo - I mean it!
 00:43:30 44 min
6228 Factor Map 2024-07-31 Mark Ul-Rhymm Adjacency, Factors, Killer
One of the Most Fantastic Colouring Exercises Ever
One of the Most Fantastic Colouring Exercises Ever
 00:33:17 34 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
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
6216 Zipper Gramophone 2024-07-27 Mark Flash Groudon Parity Lines, Renban, Zipper Lines
How to Approach Zipper Lines
How to Approach Zipper Lines
 00:18:53 19 min
6213 Zodiac Project: Ponta Delgada 2024-07-26 Mark Florian Wortmann Extra Regions, Killer, Nurikabe, Thermo
Find the Islands
Find the Islands
 00:36:08 37 min

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