🔢 Sudoku Puzzles

Sudoku puzzle-solving videos from CTC.

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

3,011 rows where Solver contains "Mark" sorted by Id descending

These facets timed out: Solver, Setter, Constraints

Id â–² Puzzle Title Date Solver Setter Constraints Video Video Length
8067 Consecutive Constraint 2026-01-19 Mark Daniel Buckeldee Consecutive, Sums
Only five given digits - and five given cages!
Only five given digits - and five given cages!
 00:37:52
8064 Grid Racer 2026-01-18 Mark Jonesy Loop, O/E, Sums
Racing all around the Grid ... wow!
Racing all around the Grid ... wow!
 01:03:50
8061 I Just Like Colours 2026-01-17 Mark DarthSillious72 Anti-King, Anti-Knight, Anti-Ratio, Non-Consecutive, Ratio
Really Approachable Black Dot Sudoku!
Really Approachable Black Dot Sudoku!
 00:18:02
8058 Nala's Toy Battle 2026-01-16 Mark Panthera Ambiguous Clues, Ambiguous Values, Fog, German Whispers, Japanese Sums, Multitask Clues, O/E, Ratio, Renban, XV
The Perfect Puzzle for Today
The Perfect Puzzle for Today
 00:40:48
8053 Tuning the Thermostat 2026-01-15 Mark FullDeck, Missing a Few Cards Skyscraper, Thermo
Tuning the Thermostat
Tuning the Thermostat
 00:50:02
8050 Sorry, That Sum Is Taken 2026-01-14 Mark PhoenixAki Killer, Kropki, Region Sum Lines, Unique Sums
Musical Chairs ... Sudoku-style!
Musical Chairs ... Sudoku-style!
 00:27:20
8047 SVS 454 - Little Thermometers 2026-01-13 Mark Richard Stolk Incomplete Clues, Sums, Thermo
The Sudoku Variants just keep on Coming!
The Sudoku Variants just keep on Coming!
 00:27:17
8043 Happy MMXXVI 2026-01-12 Mark olima Anti-XV, German Whispers, Palindrome, Renban
Welcome to the New Year ... again!
Welcome to the New Year ... again!
 00:40:50
8040 King's Siege 2026-01-11 Mark Sniglett Anti-King, Arrow, Fortress
Disrupt the Siege of the King
Disrupt the Siege of the King
 01:24:10
8037 Simon's Sigil 2026-01-10 Mark Riffclown Modular Lines, Multitask Clues, Thermo
The Puzzle of the Sigil
The Puzzle of the Sigil
 00:25:53
8034 What's the Sequency, Kenneth? 2026-01-09 Mark WEBthe3rd Consecutive, Fog, German Whispers, Modular Lines, Palindrome, Parity Lines, Region Sum Lines, Sequence
A new Song for the Channel?
A new Song for the Channel?
 00:29:02
8029 Variant Lesson: Arrows 2026-01-08 Mark Deckatron 6x6, Arrow, Mean Mini
These are not as Approachable as Expected!
These are not as Approachable as Expected!
 01:18:04
8028 Variant Lesson: Region Sum Lines 2026-01-08 Mark Deckatron 6x6, Consecutive, Mean Mini, Region Sum Lines
These are not as Approachable as Expected!
These are not as Approachable as Expected!
 01:18:04
8027 Variant Lesson: Killer Cages 2026-01-08 Mark Deckatron 6x6, Diagonal, Killer, Mean Mini
These are not as Approachable as Expected!
These are not as Approachable as Expected!
 01:18:04
8026 Variant Lesson: German Whispers 2026-01-08 Mark Deckatron 6x6, German Whispers, Mean Mini, Thermo
These are not as Approachable as Expected!
These are not as Approachable as Expected!
 01:18:04
8025 Variant Lesson: Thermos 2026-01-08 Mark Deckatron 6x6, Mean Mini, Ratio, Thermo
These are not as Approachable as Expected!
These are not as Approachable as Expected!
 01:18:04
8024 Variant Lesson: Dominoes 2026-01-08 Mark Deckatron 6x6, Kropki, Mean Mini, XV
These are not as Approachable as Expected!
These are not as Approachable as Expected!
 01:18:04
8021 Slice of Balance (YY Sandwich) 2026-01-07 Mark PuzzleTank Consecutive, Sandwich, Yin-Yang
A Beautiful Slice of Balance
A Beautiful Slice of Balance
 00:22:58
8018 Twenty Six 2026-01-06 Mark James Kopp O/E, Skyscraper
Welcome to 2026 with James Kopp
Welcome to 2026 with James Kopp
 00:33:49
8014 Magic 5 2026-01-05 Mark Olive Killer, Renban
A Magical Tour around 5
A Magical Tour around 5
 00:26:48
8011 The Witching Hour 2026-01-04 Mark Chefofdeath Difference, Renban, X-Sums
The WItching Hour is upon us!
The WItching Hour is upon us!
 00:35:02
8008 December Colors 2026-01-03 Mark Walter Grönholm Kropki
Surely not as Tough as Mark makes it look?
Surely not as Tough as Mark makes it look?
 00:59:37
8005 Sabotage 2026-01-02 Mark Kennet's Dad 6x6, Modular Lines, Non-Repeat, O/E, Ratio, Renban, XV
Now we've been Sabotaged!
Now we've been Sabotaged!
 00:23:37
8000 Through the Comet's Eye 2026-01-01 Mark Nurator Anti-Knight, Difference, Little Killer, Star Battle
Messing Around in Sudoku Space
Messing Around in Sudoku Space
 00:39:26
7996 All Arrows Are Given 2025-12-31 Mark Kainapple 6x6, Arrow
What do you mean All Arrows are Given?
What do you mean All Arrows are Given?
 00:28:59
7993 Love Letter from Canada 2025-12-30 Mark SUDOOOOOKUfan87 Killer, Multiplication, Nurikabe, Pathway
Love Letter from Canada
Love Letter from Canada
 02:05:59
7989 Merry XV-mas 2025-12-29 Mark olima Anti-XV, German Whispers
Keep XVmas in Your Heart
Keep XVmas in Your Heart
 01:05:56
7986 Sting in the Tail 2025-12-28 Mark Timotab German Whispers, Neighbour Sums
The Puzzle with a Sting in the Tail
The Puzzle with a Sting in the Tail
 00:35:15
7983 Happy Holiday Season 2025-12-27 Mark Panthera Ambiguous Values, Anti-Knight, Japanese Sums
Happy Holiday Season!
Happy Holiday Season!
 01:11:27
7980 Modular Masyu 2025-12-26 Mark yttrio Count, Masyu, Modular Lines
In the Mood for Modulo
In the Mood for Modulo
 00:53:25
7975 Green-Tree 2025-12-25 Mark Rohit Jangid German Whispers, O/E, Thermo
What? Another Christmas Tree!
What? Another Christmas Tree!
 00:23:31
7972 7 Greens 7 Cages 2025-12-24 Mark PuzzleTank German Whispers, Killer
Throwback Wednesday?
Throwback Wednesday?
 00:35:33
7969 Key Performance Parameters 2025-12-23 Mark NotThatItMatters Diagonal, Exponents, Primes, Sums
How is Your Sudoku Performance?
How is Your Sudoku Performance?
 01:07:50
7965 Icy Escape 2025-12-22 Mark Chloé German Whispers, Pathway, Ratio
At Risk of Sliding off the Grid ...
At Risk of Sliding off the Grid ...
 00:42:39
7962 Go Forth and Multiply 2025-12-21 Mark Nightmare2805 Consecutive, Factors, Fog, Multiplication, Primes, Sums
Go Forth, Do Some Multiplication!
Go Forth, Do Some Multiplication!
 00:31:24
7959 Battle Line 2025-12-20 Mark DiMono Battlefield
Battle Lines Are Drawn!
Battle Lines Are Drawn!
 00:46:25
7956 Rip City 2025-12-19 Mark Merdock Consecutive, Diagonal, Parity Lines, Sums
Pure Rotational Symmetry!
Pure Rotational Symmetry!
 00:39:19
7951 Friendly Robots 2025-12-18 Mark Jonesy Arrow, Consecutive
Not Sure how Friendly these Robots are ...
Not Sure how Friendly these Robots are ...
 01:03:50
7948 HSSC Appetizer - Sudoku Mathrax 2025-12-17 Mark Richard Stolk Mathrax, O/E
A Superb puzzle from an all-time great constructor
A Superb puzzle from an all-time great constructor
 00:39:59
7945 Par-King at the Garage 2025-12-16 Mark olima Anti-King, German Whispers, Quadruple, Region Sum Lines
Parking at the Garage
Parking at the Garage
 00:31:52
7942 The Good, the Bad and the Ugly 2025-12-15 Mark Doug Jelen Kropki, Little Killer, Multitask Clues, Sandwich, Skyscraper, X-Sums
What Sorcery is This?
What Sorcery is This?
 00:41:05
7938 Power Four 2025-12-14 Mark Braden Weber Arrow, Irregular, Kropki, Modular Lines, O/E
The Power of Irregular Thought
The Power of Irregular Thought
 00:40:35
7935 Path of the Golden Bear 2025-12-13 Mark SuperSport Entropic Lines, Kropki, Modular Lines, Parity Lines, Pathway, Region Sum Lines, Sums, XV
The Puzzle of the Golden Bear
The Puzzle of the Golden Bear
 01:39:28
7932 Ascending Starters Sudoku 10 2025-12-12 Mark Akash Doulani Ascending Starters
The Sudoku Ascent of a Mountain
The Sudoku Ascent of a Mountain
 00:40:51
7928 Shh-nooker (K)Nights 2025-12-11 Mark olima Anti-Knight, German Whispers, Kropki, Quadruple
Super Snooker Nights Sudoku
Super Snooker Nights Sudoku
 00:37:01
7925 Oops! All Regions 2025-12-10 Mark ChinStrap 7x7, Chaos Construction, Count, Numbered Rooms
Oops - Something is Bound to go Wrong
Oops - Something is Bound to go Wrong
 01:18:07
7921 Sliced Magic 2025-12-09 Mark Bene Incomplete Clues, Killer, Magic Square
Slices of Magic Sudoku!
Slices of Magic Sudoku!
 00:28:46
7916 Snake Egg Sudoku 2025-12-08 Mark 12tone Extra Regions, Parity Lines, Pathway
Try this Crazy Snake Egg Sudoku
Try this Crazy Snake Egg Sudoku
 01:28:55
7912 A Pretty Flower 2025-12-07 Mark Altai Consecutive, Killer, Quadruple
A Sudoku Blooms before our Eyes
A Sudoku Blooms before our Eyes
 00:24:57
7909 Lest We Forget 2025-12-06 Mark Sudoku Joker German Whispers, Quadruple, Ratio, Renban
We Must Not Forget
We Must Not Forget
 00:59:48
7906 BIGITs 2025-12-05 Mark sunnyjum Dutch Whispers, German Whispers, Parity Lines, Region Building, Renban, Same Difference Lines
Some frightening big digits
Some frightening big digits
 00:59:04
7901 Tracking the Triptych 2025-12-04 Mark pb45 Arrow, Entropic Lines, Inequality, Killer, Little Killer, Magic Square
We all make Mistakes ... well, I do!
We all make Mistakes ... well, I do!
 00:25:43
7897 Decode Presented by RTX 2025-12-03 Mark Yahya Alasady German Whispers, Killer, O/E, Renban, Sums
The Sudoku Video with the Wrong Solution!
The Sudoku Video with the Wrong Solution!
 00:29:48
7894 Phistomefel's 5 2025-12-02 Mark Exli German Whispers, Kropki, Palindrome, Region Sum Lines, XV
5 points to Phistomefel!
5 points to Phistomefel!
 00:22:35
7887 Circuit Board 2025-11-30 Mark It_depends Modular Lines, O/E
Sudoku Circuit Training
Sudoku Circuit Training
 00:51:06
7884 Six Seven 2025-11-29 Mark Zentoxe Anti-Knight, Digit Restriction, Sums, XV
Six Seven - Now Rendered Meaningful!
Six Seven - Now Rendered Meaningful!
 00:23:15
7881 Yin Yang FSOE 2025-11-28 Mark Dying Flutchman First Seen Odd/Even, Fog, Yin-Yang
No Fog in the Middle at all
No Fog in the Middle at all
 01:34:17
7876 Modular Cages 2025-11-27 Mark RandyDan Factors, German Whispers, Sums
Some Arithmetic Required ...
Some Arithmetic Required ...
 00:51:49
7872 My New Rope Belt 2025-11-26 Mark JohnGisMe Extra Regions, Kropki, Thermo
This New Belt is a Sudoku Puzzle
This New Belt is a Sudoku Puzzle
 00:24:08
7869 Halfway There 2025-11-25 Mark James Sinclair Arrow, Extra Regions, Halvers, Killer, Thermo, XV
Whoa-oh - We're Halfway There
Whoa-oh - We're Halfway There
 00:30:39
7865 Two's Company, Three's a Crowd 2025-11-24 Mark SUDOOOOOKUfan87 Arrow, Renban
Arrows Pointing at Great Sudoku
Arrows Pointing at Great Sudoku
 01:00:06
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
7858 Fog of War Rectangle 2025-11-22 Mark Chip Sounder Fog, German Whispers, Killer, Ratio, Renban, Sandwich
You Can Make an Approach in this Fog ...
You Can Make an Approach in this Fog ...
 00:27:58
7855 Antechamber 2025-11-21 Mark Blobz Quadruple, Region Sum Lines, Renban
Are we looking for Room 45 or 46? (Check the video length!)
Are we looking for Room 45 or 46? (Check the video length!)
 00:46:21
7848 X Marks the ???? 2025-11-20 Mark Molly Boodey Anti-Ratio, Ratio, Renban, XV
What Even is the Question?
What Even is the Question?
 00:35:59
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
7842 Beaded Thread 2025-11-18 Mark saltviolet Anti-Kropki, Entropic Lines, Kropki, Modular Lines, Multitask Clues, Region Sum Lines, Renban
Staring at an Impossibility
Staring at an Impossibility
 00:42:18
7838 Some Balancing Product 2025-11-17 Mark MantaRay Killer, Multiplication, Unique Sums, Yin-Yang
MantaRay and the Joy of Maths
MantaRay and the Joy of Maths
 01:02:02
7835 Three Strikes and You’re Out 2025-11-16 Mark James Kopp Binairo, Non-Consecutive, XV
Three Strikes is Too Many!
Three Strikes is Too Many!
 00:39:23
7832 Artemis 2025-11-15 Mark Merdock Anti-Knight, Ratio, Region Sum Lines, Renban
A Puzzle for the Greek Gods
A Puzzle for the Greek Gods
 01:23:33
7829 German Penpalindromes 2025-11-14 Mark Cygne German Whispers, Multitask Clues, Palindrome, Slow Thermo
A New Form of Sudoku Palindrome
A New Form of Sudoku Palindrome
 00:28:07
7824 Around Negative Ten 2025-11-13 Mark Ryan W. Anti-XV, Killer
The Negative Side of Ten
The Negative Side of Ten
 00:39:20
7821 Escape the Foggy Liar 2025-11-12 Mark PhoenixAki Arrow, Fog, German Whispers, Killer, Liar, Ratio, Thermo, XV
Sudoku Lines that Lie!
Sudoku Lines that Lie!
 00:41:21
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
7814 Hook or Crook 2025-11-10 Mark Sotehr Anti-Diagonal, Entropic Lines, Modular Lines, Ratio
Getting to the end by Hook or by Crook ...
Getting to the end by Hook or by Crook ...
 01:04:19
7810 Zombie Drome 2025-11-09 Mark R. Mullinix Extra Regions, Killer, Kropki, Modifier Cells, Palindrome, XV
Zombie Alert
Zombie Alert
 00:42:08
7807 Heat of Caged Germany 2025-11-08 Mark Mikegood2054 Extra Regions, German Whispers, Killer, Thermo
Turning up the Heat in New Sudoku
Turning up the Heat in New Sudoku
 00:30:46
7804 Fount 2025-11-07 Mark Yarr German Whispers, Kropki, Renban
A symphony in green and pink
A symphony in green and pink
 00:28:59
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
7796 Teutoburger Wald 2025-11-05 Mark Alchemist Cave Count, German Whispers, Renban, Yin-Yang
Hand to Hand Sudoku Combat
Hand to Hand Sudoku Combat
 00:40:54
7793 Singles and Doubles 2025-11-04 Mark James Kopp Diagonal, Fog, Multi-Digit Arrow
Singles and Doubles
Singles and Doubles
 00:45:01
7789 Twisted 2025-11-03 Mark ThePedallingPianist 4x4, 6x6, Linked Grids, X-Sums
This Really is Twisted
This Really is Twisted
 00:42:41
7786 Eye of the Storm 2025-11-02 Mark Ul-Rhymm Fog, Non-Consecutive, Palindrome
Look at the Eye of the Storm!
Look at the Eye of the Storm!
 00:34:44
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
7780 Anti-knight Singularis Alchemis 2025-10-31 Mark Chip Sounder Anti-Knight, Arrow, German Whispers, Killer, Renban, Slow Thermo, XV
The Best Halloween Activity: SUDOKU
The Best Halloween Activity: SUDOKU
 00:32:52
7775 ??? 2025-10-30 Mark Molly Boodey Arrow, German Whispers, Killer, Quadruple, Ratio, Thermo
Questioning the very fundamentals of Sudoku?
Questioning the very fundamentals of Sudoku?
 00:26:08
7772 The Snug Bug 2025-10-29 Mark Allagem Between Lines, Consecutive
Getting Cosy with Sudoku
Getting Cosy with Sudoku
 00:45:44
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
7765 Candy Wrapper 2025-10-27 Mark David Workman Diagonal, Killer, Kropki, Palindrome, Renban
Candy for the Brain
Candy for the Brain
 00:38:02
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
7759 Sudoku Attempt #2 2025-10-25 Mark Sarah T Killer, Kropki, Sandwich, XV
Newbie Sudoku
Newbie Sudoku
 00:18:09
7756 One Way Road 2025-10-24 Mark BuniaGL Anti-Knight, Entropic Lines, German Whispers, Kropki, Region Sum Lines, Renban
This Way for Sudoku Fun
This Way for Sudoku Fun
 00:37:03
7752 Euro-Holiday: Germany 2025-10-23 Mark RoystonDA Consecutive, German Whispers, Thermo
The Sudoku from a Holiday in Germany
The Sudoku from a Holiday in Germany
 00:23:10
7749 Double Entendre 2025-10-22 Mark James Sinclair Arrow, Doublers, Extra Regions, German Whispers, Killer, Ratio, Region Sum Lines, Renban
But ... These Lines Are Impossible!
But ... These Lines Are Impossible!
 00:38:42
7746 Junk Drawer 2025-10-21 Mark Sotehr Dutch Whispers, Entropic Lines, German Whispers, Kropki, Modular Lines, Squishdoku, XV
Squished into the Junk Drawer
Squished into the Junk Drawer
 00:31:49
7742 Surprising Stars 2025-10-20 Mark Ryan Adams Anti-XV, Copycat, Fog, Killer, XV
A Surprise Twist in the Tail
A Surprise Twist in the Tail
 00:31:25
7739 Another Mathematical Phenomenon 2025-10-19 Mark Xenonetix Kropki, Multitask Clues, Sandwich
Phenomenal Sandwich Sudoku!
Phenomenal Sandwich Sudoku!
 00:44:55
7736 Sum Assembly Required 2025-10-18 Mark Jonesy Arrow, Sums
Don't Miss this "Exceptional" Puzzle
Don't Miss this "Exceptional" Puzzle
 00:45:40
7733 Slow Thermos 2025-10-17 Mark Craig Henderson Slow Thermo
When Everything SLOWS Down ...
When Everything SLOWS Down ...
 00:35:25
7729 Region Summary 2025-10-16 Mark Erin Toler Kropki, Region Sum Lines
Count on our Sudoku for Fun!
Count on our Sudoku for Fun!
 00:35:06

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