🔢 Sudoku Puzzles

Sudoku puzzle-solving videos from CTC.

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

346 rows where Constraints contains "Kropki" and 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 Video Length (Minutes)
8901 Fog of War #35 2026-07-25 Mark Colleen Bridges Ambiguous Clues, Fog, German Whispers, Killer, Kropki, Look-and-Say, Sequence, Sums
A Complete Brain Fade at the End ...
A Complete Brain Fade at the End ...
 00:49:50 50 min
8853 Wobbly Whispers 2026-07-14 Mark Ben Gaunt Difference, German Whispers, Kropki
The Music Professor Treats us Gently
The Music Professor Treats us Gently
 00:23:10 24 min
8848 CTC 700k Subs 2026-07-13 Mark WombatBreath Anti-Ratio, Extra Regions, Irregular, Kropki, Pencilmarks, Renban
An Amazing Milestone to Celebrate
An Amazing Milestone to Celebrate
 01:04:24 65 min
8794 It’s Getting Hot in Here! 2026-07-01 Mark Kiwi Curt Kropki, Thermo
Is it Getting Hot in Here?
Is it Getting Hot in Here?
 00:23:07 24 min
8767 Even Distribution 2026-06-25 Mark Charmquark Killer, Kropki, O/E
Even with these Rules ...
Even with these Rules ...
 00:24:24 25 min
8763 Quadrants 2026-06-24 Mark Daniel Hanson Anti-Knight, Anti-Kropki, Anti-XV, Kropki, XV
A Positive Outlook for Negative Constraints
A Positive Outlook for Negative Constraints
 00:22:48 23 min
8750 "SIGMA"tized 2026-06-21 Mark Purab Pal Anti-Kropki, Anti-XV, Diagonal, German Whispers, Kropki, Renban, XV
In Plenty of Ways, this Puzzle is Approachable
In Plenty of Ways, this Puzzle is Approachable
 00:13:48 14 min
8742 Red Dead Difference 2026-06-19 Mark Mateo99 Incomplete Clues, Kropki, Math Operators, Renban, Slow Thermo
Football or Sudoku? Easy Decision!
Football or Sudoku? Easy Decision!
 00:31:30 32 min
8736 Medium Kropki Sudoku 2026-06-18 Mark Adrian Klausen Kropki
So Much Sudoku to Do!
So Much Sudoku to Do!
 00:19:49 20 min
8728 Dueling Cages 2026-06-16 Mark Deckatron Anti-Kropki, Killer, Kropki, Unknown Values
Surely it Should be EASY to Establish these Cage Totals?
Surely it Should be EASY to Establish these Cage Totals?
 00:37:54 38 min
8723 Divisores Dubitationis 2026-06-15 Mark Dr Logic Factors, Kropki, Parity Lines
Cruelly Devised Torture
Cruelly Devised Torture
 01:11:13 72 min
8715 Oddly Enough Even Dots Help 2026-06-13 Mark DC Binairo, Kropki, Little Killer, O/E
Getting Even in an Odd Way
Getting Even in an Odd Way
 00:47:01 48 min
8682 Tilted Squares 2026-06-06 Mark Simply Spicy German Whispers, Killer, Kropki, O/E, Renban, XV
Sudoku - On Tilt!
Sudoku - On Tilt!
 00:49:05 50 min
8668 1 Last Dream 2026-06-03 Mark Cassinii 6x6, Clone, Irregular, Killer, Kropki, Little Killer, Renban, Thermo, Whispers
How to End the Dream Sequence
How to End the Dream Sequence
 00:30:05 31 min
8654 The One and Only Sum 2026-05-31 Mark Lithium-Ion Dutch Whispers, Entropic Lines, Equal Sums, German Whispers, Kropki, Region Sum Lines, Renban, Thermo
Is This the New Most Important Total?
Is This the New Most Important Total?
 00:18:06 19 min
8618 Square Sprinkled Donuts 2026-05-23 Mark Sq4nder Anti-Kropki, Anti-XV, Extra Regions, Kropki, XV
Mmm ... Donuts ...
Mmm ... Donuts ...
 00:22:19 23 min
8614 Oops! Bumped the Table 2026-05-22 Mark PhyDraLey Incomplete Clues, Kropki
Bumping the Table is Dangerous!
Bumping the Table is Dangerous!
 01:03:11 64 min
8602 My First Puzzle 2026-05-20 Mark DC Arrow, German Whispers, Kropki, Thermo, XV
Welcome to a Sudoku Initiation
Welcome to a Sudoku Initiation
 00:24:21 25 min
8593 My Original Reality Show Entertainment 2026-05-18 Mark Chip Sounder German Whispers, Killer, Kropki, Palindrome, Parity Lines, Sandwich
Please Decipher My Code
Please Decipher My Code
 00:21:50 22 min
8568 Regional Mess 2026-05-13 Mark Souradip Das Kropki, Region Sum Lines
Revisiting a Theme!
Revisiting a Theme!
 01:15:58 76 min
8549 6 Dots and a Dream 2026-05-09 Mark Cassinii 6x6, Irregular, Kropki
Time to Speed Run Some Sudoku?
Time to Speed Run Some Sudoku?
 00:31:09 32 min
8526 Wrapped 2026-05-04 Mark Sotehr German Whispers, Kropki, Region Sum Lines, Renban
A Puzzle Wrapped in an Enigma ...
A Puzzle Wrapped in an Enigma ...
 00:44:18 45 min
8514 Goalie 2026-05-01 Mark Daniel Hanson Anti-Knight, German Whispers, Kropki, O/E, Palindrome
May Day is Saved!
May Day is Saved!
 00:44:09 45 min
8476 Entropic Ternary 2026-04-23 Mark Cassinii Bases, Coordinate, Diagonal, Difference, Kropki, O/E, XV
Sudoku ... in Base 3?
Sudoku ... in Base 3?
 00:44:38 45 min
8440 Shh..eep Jo-King 2026-04-15 Mark olima Anti-King, German Whispers, Kropki, Renban
Sorting the Sheep from the Goats
Sorting the Sheep from the Goats
 00:39:00 39 min
8435 Noah's Ark 2026-04-14 Mark Mac T. Equal Sums, Kropki, Non-Repeat
Entering the Digits Two by Two
Entering the Digits Two by Two
 00:29:18 30 min
8426 Entropic Toast 2026-04-12 Mark Niks Entropic Lines, Fog, Kropki, Non-Repeat, Renban, XV
Raise a Toast to APPROACHABLE Sudoku
Raise a Toast to APPROACHABLE Sudoku
 00:23:38 24 min
8418 Rockingham 2026-04-10 Mark damo_89 Anti-Kropki, Kropki, Loop
A Crazy Massive Loop
A Crazy Massive Loop
 00:40:06 41 min
8412 Whispering Entropy 2026-04-09 Mark ZogenDenji Entropic Lines, Fog, German Whispers, Kropki, Multitask Clues
A Silent Night in the Fog
A Silent Night in the Fog
 00:25:02 26 min
8399 Wallfacer 2026-04-06 Mark M.K. Difference, Fog, Kropki, Pathway
All in All, it's just another Brick in the Wall
All in All, it's just another Brick in the Wall
 00:27:55 28 min
8377 Chaos Deconstruction 2026-04-01 Mark MantaRay Chaos Deconstruction, Diagonal, Kropki, O/E
Tricky for a Surprising Reason
Tricky for a Surprising Reason
 01:27:43 88 min
8337 It's Only Logical 2026-03-23 Mark David Workman Killer, Kropki, XV
It IS Only Logical
It IS Only Logical
 00:20:32 21 min
8266 Lines of Time 2026-03-07 Mark RandyDan Diagonal, Dutch Whispers, Entropic Lines, German Whispers, Kropki, Parity Lines, Renban
The Sands of Time tick by as I try to solve this Puzzle...
The Sands of Time tick by as I try to solve this Puzzle...
 01:19:02 80 min
8262 Kropki Drops 2026-03-06 Mark Michael Lefkowitz Count, Kropki
Drops of Genius
Drops of Genius
 00:26:25 27 min
8256 Uniqueness, With a Nudge 2026-03-05 Mark R. Mullinix Diagonal, Extra Regions, German Whispers, Kropki, Modifier Cells, Non-Repeat
Quite a Unique Puzzle!
Quite a Unique Puzzle!
 01:17:00 77 min
8189 Three-Fingered Jack 2026-02-18 Mark The Barg Anti-Knight, Kropki, Renban, XV
Who is This Evil Genius?
Who is This Evil Genius?
 00:40:40 41 min
8185 Cookie Crime Part 2: Connecting Clues 2026-02-17 Mark SandraNala Between Lines, Fog, German Whispers, Incomplete Clues, Killer, Kropki
The Dog Seeks Answers in the Fog!
The Dog Seeks Answers in the Fog!
 00:28:31 29 min
8130 Cookie Crime Part 1: Hide and Sneak 2026-02-05 Mark SandraNala Cave Count, Chaos Construction, Fog, Kropki
The Dog is Sneaking around in the Fog?
The Dog is Sneaking around in the Fog?
 00:56:51 57 min
8075 Gray Circles in Gray Fog 2026-01-21 Mark Lithium-Ion Ambiguous Clues, Anti-Knight, Fog, Kropki, Region Sum Lines
Gray Circles Hidden in Gray Fog???
Gray Circles Hidden in Gray Fog???
 00:26:39 27 min
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 28 min
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 79 min
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 60 min
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 42 min
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 41 min
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
 01:39:28 100 min
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 38 min
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 23 min
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 25 min
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 43 min
7810 Zombie Drome 2025-11-09 Mark R. Mullinix Extra Regions, Killer, Kropki, Modifier Cells, Palindrome, XV
Zombie Alert
Zombie Alert
 00:42:08 43 min
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 29 min
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 39 min
7759 Sudoku Attempt #2 2025-10-25 Mark Sarah T Killer, Kropki, Sandwich, XV
Newbie Sudoku
Newbie Sudoku
 00:18:09 19 min
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 38 min
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 32 min
7739 Another Mathematical Phenomenon 2025-10-19 Mark Xenonetix Kropki, Multitask Clues, Sandwich
Phenomenal Sandwich Sudoku!
Phenomenal Sandwich Sudoku!
 00:44:55 45 min
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 36 min
7709 There's a Moose Loose 2025-10-10 Mark billybeth Fibonacci, Kropki
A Moose is on the Loose!
A Moose is on the Loose!
 00:32:43 33 min
7692 Within and Without 2025-10-05 Mark Merdock Between Lines, Disjoint Groups, Kropki, Lockout Lines
It's a Disjoint Disaster
It's a Disjoint Disaster
 00:56:09 57 min
7680 Snackdoku Title Puzzle 2025-10-02 Mark Panthera Kropki
A Race to Consume Some Food Puzzles
A Race to Consume Some Food Puzzles
 00:26:56 27 min
7650 Bomb Defusal 2025-09-23 Mark Deckatron Count, German Whispers, Incomplete Clues, Kropki, Region Sum Lines
Stop this Bomb Going off!
Stop this Bomb Going off!
 01:08:39 69 min
7615 Simon's Neighbourhood 2025-09-15 Mark Aeon Digit Restriction, Dutch Whispers, German Whispers, Killer, Kropki, Parity Lines
Entering the World of Simon
Entering the World of Simon
 00:40:23 41 min
7576 Oh Bobbins 2025-09-04 Mark Andy Petersen German Whispers, Kropki
The Puzzle that says "Oh Bobbins!"
The Puzzle that says "Oh Bobbins!"
 00:42:55 43 min
7573 Tasting Menu 2025-09-03 Mark Niclas Kupper Arrow, Dutch Whispers, Kropki, Min/Max, Thermo, XV
One of the Tastiest Sudokus around
One of the Tastiest Sudokus around
 00:41:47 42 min
7570 Sinking City 2025-09-02 Mark MonkeyApprentice 0-8 Digits, Extra Regions, Kropki, Modifier Cells, Skyscraper
Save the Sinking City!
Save the Sinking City!
 00:34:49 35 min
7561 Tango 2025-08-30 Mark Bartok_the_Magnificent 6x6, Binairo, Killer, Kropki, Negators
A Daily Diet of Three Puzzles!
A Daily Diet of Three Puzzles!
 00:56:37 57 min
7552 Wink to the Left 2025-08-28 Mark Ivayla Gergova German Whispers, Kropki, Renban
Sudoku with a Cheeky Wink
Sudoku with a Cheeky Wink
 00:35:55 36 min
7543 Thundersnow 2025-08-25 Mark Freegerator Entropic Lines, Kropki, Whispers
Heavy Weather Ahead!
Heavy Weather Ahead!
 00:43:51 44 min
7477 Crystallization of Arrows 2025-08-06 Mark Will Power Kropki, Multi-Digit Arrow, Sums
Crystallization of an Idea
Crystallization of an Idea
 00:28:29 29 min
7468 Crackers 2025-08-03 Mark Freegerator Killer, Kropki, Region Sum Lines
This Sudoku is Crackers!
This Sudoku is Crackers!
 00:31:16 32 min
7448 Up to Something 2025-07-28 Mark sujoyku Arrow, Fog, Kropki, Sums
Up to my Neck in the Fog!
Up to my Neck in the Fog!
 00:33:29 34 min
7439 Sagitta Speakeasy 2025-07-25 Mark Katie Splendor Extra Regions, Kropki, Modular Lines, XV
This Sudoku is "Lovely"
This Sudoku is "Lovely"
 00:29:44 30 min
7430 Orion's Belt 2025-07-24 Mark gdc 6x6, Extra Regions, Kropki
Absolutely Cosmic Sudoku!
Absolutely Cosmic Sudoku!
 01:03:34 64 min
7415 A Dot of Killer Heat 2025-07-19 Mark Chip Sounder 8x8, Killer, Kropki, Thermo
The Heat is On, but not too hard!
The Heat is On, but not too hard!
 00:24:45 25 min
7339 The Solver's Journey 2025-06-26 Mark Dogdayboy Fog, German Whispers, Kropki, Pathway
Come on a Sudoku Journey with Me
Come on a Sudoku Journey with Me
 00:45:31 46 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
7270 Foggy Unique Constraints 2025-06-05 Mark Pychael Fog, German Whispers, Kropki, Non-Repeat, O/E, Region Sum Lines, Renban, XV
Searching for Something Unique in the Fog
Searching for Something Unique in the Fog
 00:26:47 27 min
7264 3 Is a Magic Number 2025-06-03 Mark KWOG Anti-Knight, Anti-Kropki, Arrow, Digit Restriction, Fog, Kropki, Magic Square
3 is such a Magic Number
3 is such a Magic Number
 00:23:06 24 min
7255 Augen auf beim Rat(t)enkauf! 2025-05-31 Mark olima Dutch Whispers, German Whispers, Kropki, Parity Lines, Renban, Thermo
An Approachable Marty Sears Puzzle? Sort of ...
An Approachable Marty Sears Puzzle? Sort of ...
 00:22:48 23 min
7223 Belt Buckle 2025-05-22 Mark Freegerator Kropki, Whispers
Is it true that Everything is Bigger and Louder in Texas?
Is it true that Everything is Bigger and Louder in Texas?
 00:38:44 39 min
7208 United King-dom - Douze Points 2025-05-17 Mark olima Anti-King, Kropki
EuroVision Sudoku - Who would make such a Puzzle?
EuroVision Sudoku - Who would make such a Puzzle?
 00:50:36 51 min
7169 Odd Minesweeper 2025-05-08 Mark Fezzy Fog, Kropki, O/E, Sweeper
Foggy Minesweeper - this will have you shouting at the screen!
Foggy Minesweeper - this will have you shouting at the screen!
 00:35:49 36 min
7143 Three’s a Crowd 2025-04-30 Mark Dani Dracogal Digit Restriction, Kropki, XV
Special New Rules for Three!
Special New Rules for Three!
 00:26:15 27 min
7092 Y 2025-04-19 Mark Niclas Kupper Kropki
Y couldn't you solve this?
Y couldn't you solve this?
 00:27:29 28 min
7082 Restricted? Where? 2025-04-16 Mark Fenners Anti-Knight, Kropki, Region Sum Lines
Restrictions Apply
Restrictions Apply
 00:32:39 33 min
7043 Under the Radar 2025-04-04 Mark guru Count, Fog, German Whispers, Killer, Kropki, Renban, Sums
Under the Radar, Hidden by Fog
Under the Radar, Hidden by Fog
 00:58:20 59 min
7023 Never Odd or Even 2025-03-29 Mark Trufflebear Anti-King, Camel's Move, Kropki, Palindrome
A Very Strange Kind of Symmetry
A Very Strange Kind of Symmetry
 00:40:41 41 min
7020 Cornichon 2025-03-28 Mark Lorena German Whispers, Kropki
Approachable but I don't think AI could Understand it!
Approachable but I don't think AI could Understand it!
 00:18:47 19 min
7010 Cages up the Magoo 2025-03-25 Mark FatPhil Anti-Kropki, Equal Sums, Killer, Kropki, Non-Repeat
Is that a Face in my Grid?
Is that a Face in my Grid?
 00:53:26 54 min
7007 c.dot 2025-03-24 Mark arctan Diagonal, Kropki
A Sea of Dots? No, a C of Dots!
A Sea of Dots? No, a C of Dots!
 00:28:22 29 min
6994 Naughts and Crosses 2025-03-20 Mark CraigFJ Kropki, Miscellaneous, O/E, XV
Another Tic Tac Toe Showdown!
Another Tic Tac Toe Showdown!
 00:36:36 37 min
6985 Killer Dots of the Knight 2025-03-17 Mark Chip Sounder 6x6, Anti-Knight, Killer, Kropki, Little Killer
It's Small, but Perfectly Formed
It's Small, but Perfectly Formed
 00:22:23 23 min
6969 Bubbling Entropic Whirlpool 2025-03-12 Mark FractalJim Counting Sets, Entropic Lines, Kropki
The Sudoku that Draws you in!
The Sudoku that Draws you in!
 00:27:40 28 min
6959 Throuple Island 2025-03-09 Mark Belamis Kropki, Nurikabe
It's like Love Island ... with a bit extra
It's like Love Island ... with a bit extra
 00:57:21 58 min
6943 illuminati 2025-03-04 Mark Sumanta Mukherjee Killer, Kropki, Magic Square, Non-Repeat, Renban
Have the Illuminati Set a Puzzle?
Have the Illuminati Set a Puzzle?
 00:29:26 30 min
6940 Dicedoku 2 2025-03-03 Mark Sudokun Dice Nets, Kropki
Rolling the Dice in Logical Style!
Rolling the Dice in Logical Style!
 00:31:09 32 min
6916 Prime Time 2025-02-24 Mark Scott Williams Kropki, Primes, Quadruple
It must be Time ... Time for Prime!
It must be Time ... Time for Prime!
 00:34:16 35 min
6910 Shield Birds 2025-02-22 Mark 99% Sneaky Arrow, Kropki, Min/Max
The Birdbrain Battles Through
The Birdbrain Battles Through
 00:40:05 41 min
6863 Sudoku Bowl LIX 2025-02-08 Mark Scott Strosahl German Whispers, Kropki
Game Day Sudoku!
Game Day Sudoku!
 00:23:15 24 min
6781 X Marks the Sum 2025-01-14 Mark randall German Whispers, Kropki, Multitask Clues, Non-Repeat, X-Sums
These Lines Won't be Confined
These Lines Won't be Confined
 00:49:03 50 min

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