🔢 Sudoku Puzzles

Sudoku puzzle-solving videos from CTC.

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

89 rows where Constraints contains "Ambiguous Clues" and Solver contains "Mark" sorted by Id descending

Solver 1

  • Mark · 89 ✖

Setter 76

Constraints 64

Id â–² Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
6560 The Unfrayed Modified German Whisper Loop 2024-11-09 Mark Kyle McCormick Ambiguous Clues, German Whispers, Neighbour Sums
Be Unfrayed - Be Very Unfrayed
Be Unfrayed - Be Very Unfrayed
 00:57:42 58 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
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
6209 The Path Through Life 2024-07-25 Mark Tobias Ambiguous Clues, Cipher, Count, Snake Egg, XV
The Path Through Life
The Path Through Life
 00:53:12 54 min
6080 Star-Crossed Sandwiches 2024-06-15 Mark Darth Paradox 10x10, Ambiguous Clues, Anti-Knight, Digit Restriction, Irregular, Sandwich, X-Sums
Star Wars Sandwiches
Star Wars Sandwiches
 01:30:43 91 min
5995 P Is for Prime 2024-05-20 Mark Chaos Is Inevitable Ambiguous Clues, German Whispers, Primes, Sums
Mathematicians Will Not be Able to Cope with This!
Mathematicians Will Not be Able to Cope with This!
 00:37:46 38 min
5982 Is V Greater Than, Less Than, or Equal to 5? 2024-05-16 Mark David Workman Ambiguous Clues, Anti-Knight, Fog, Inequality, Killer, XV
I Get Confused when the Fog Clears if I Don't Deserve It!
I Get Confused when the Fog Clears if I Don't Deserve It!
 00:45:10 46 min
5782 Segue Ursa 2024-03-15 Mark Dorlir Ambiguous Clues, Count, Difference, Region Sum Lines, Spiral Galaxies
One Galaxy to Rule them All
One Galaxy to Rule them All
 01:03:30 64 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
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
5485 Killer Look-and-Say Islands 2023-12-16 Mark Virtual Ambiguous Clues, Killer, Look-and-Say, Multitask Clues
Islands of Confusion
Islands of Confusion
 00:47:31 48 min
5380 Zone or Killer? 2023-11-17 Mark Clover Ambiguous Clues, Killer, Zones
GASSY and Classy
GASSY and Classy
 00:39:16 40 min
5273 Ten to a Dozen Sudoku 2023-10-23 Mark Clover Ambiguous Clues, Multiplication, Sums
A Dinosaur Pays a Visit to GAS
A Dinosaur Pays a Visit to GAS
 00:51:07 52 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
4728 Austrian Heat 2023-06-11 Mark Palfly Kampling Ambiguous Clues, German Whispers, O/E, Thermo
How to Make a Thermometer go Green
How to Make a Thermometer go Green
 00:28:49 29 min
4688 Arrow-Ace Sudoku 2023-06-01 Mark Zachary Polansky Ambiguous Clues, Arrow, Non-Consecutive, Sum Pairs
What Happens when a Young Genius tries Sudoku?
What Happens when a Young Genius tries Sudoku?
 00:47:07 48 min
4638 Wanna Be Starting Sumthing 2023-05-19 Mark Bill Murphy Ambiguous Clues, Sums
GAS Makes you Forget ... Something ...
GAS Makes you Forget ... Something ...
 00:47:03 48 min
4411 Temperature Inversion 2023-03-24 Mark Die Hard Ambiguous Clues, Anti-King, Diagonal, Inequality, O/E, Sums, Thermo
Juggling with Thermometers
Juggling with Thermometers
 00:33:30 34 min
4362 Semikiller Sudoku 2023-03-11 Mark Clover Ambiguous Clues, Killer
Approach this GAS with Care
Approach this GAS with Care
 00:41:40 42 min
4196 40 or 40? 2023-01-30 Mark dumediat Ambiguous Clues, Kropki, Sandwich, X-Sums
Doomed to Turn 40?
Doomed to Turn 40?
 00:23:03 24 min
4172 All Odd or Even 2023-01-24 Mark Clover Ambiguous Clues, O/E
All I want is GAS
All I want is GAS
 00:33:40 34 min
4129 De Stijl 2023-01-13 Mark Nordy Ambiguous Clues, Kropki
Neo-Plastic Sudoku
Neo-Plastic Sudoku
 00:39:33 40 min
4064 Shortsighted X-Sums Sudoku 2022-12-27 Mark Sed Holaysan Ambiguous Clues, X-Sums
The Best Gifts Can't be Bought
The Best Gifts Can't be Bought
 00:33:03 34 min
4019 Prime Time 2022-12-16 Mark James Kopp Ambiguous Clues, Killer, Primes, Region Sum Lines
Whenever it is now ... it's Prime Time!
Whenever it is now ... it's Prime Time!
 00:48:31 49 min
3999 Kropki's Revenge 2022-12-11 Mark metagloria Ambiguous Clues, Kropki
Revenge of the Dots
Revenge of the Dots
 00:28:27 29 min
3964 Descriptive Pairs 2022-12-02 Mark Clover Ambiguous Clues, Indexing
GAS-o'-Lantern
GAS-o'-Lantern
 00:31:29 32 min
3810 The Headless Hessian 2022-10-25 Mark High Dudgeon Ambiguous Clues, Anti-Knight, German Whispers, Renban, XV
Don't Have Dreams about this Sudoku
Don't Have Dreams about this Sudoku
 00:33:46 34 min
3579 City Planning 2022-08-29 Mark Auul Ambiguous Clues, Numbered Rooms, Skyscraper
What is an Ambiguous Clue?
What is an Ambiguous Clue?
 00:37:24 38 min
3549 The Ugly Duckling 2022-08-22 Mark staxioms Ambiguous Clues, Consecutive, Diagonal, Killer, Quadruple
See what this Ugly Duckling becomes ...
See what this Ugly Duckling becomes ...
 00:33:43 34 min
3470 Same but Different 2022-08-02 Mark Marvin Kannhauser Ambiguous Clues, Little Killer, Sandwich, X-Sums
Its the Same ... But Different
Its the Same ... But Different
 00:44:12 45 min
3450 Your Ways Are Numbered 2022-07-28 Mark Chilly 159, Ambiguous Clues, Disjoint Groups, Killer
How Many Roads Must a Man Walk Down?
How Many Roads Must a Man Walk Down?
 00:51:11 52 min
3412 Sum Addition Required 2022-07-19 Mark Go Easy! Ambiguous Clues, Arrow, Killer, Little Killer, Thermo
Sum Kind of Fun
Sum Kind of Fun
 00:15:06 16 min
3406 Duel of the Fates 2022-07-17 Mark Darth Paradox Ambiguous Clues, Arrow, Dutch Whispers, Entropic Lines, German Whispers, Palindrome, Region Sum Lines, Renban
The Battle to End All Battles
The Battle to End All Battles
 00:57:00 57 min
3396 The Wizard's Cage 2022-07-15 Mark Orvos Ambiguous Clues, Consecutive, German Whispers, Killer
The AMAZING Wizard's Cage
The AMAZING Wizard's Cage
 00:35:14 36 min
3284 DAD 2022-06-19 Mark PrimeWeasel Ambiguous Clues, Difference, Extra Regions, Killer, Sums
The Daddy of All Sudokus
The Daddy of All Sudokus
 00:22:48 23 min
3198 Suicide Squad 2022-06-02 Mark starwarigami Ambiguous Clues, Killer
All the Cage Numbers are Given!
All the Cage Numbers are Given!
 00:29:20 30 min
3194 Mystery Kropki Sudoku #2 2022-06-01 Mark Can Erturan Ambiguous Clues, Difference, Ratio, Sum Pairs
A Magical Mystery Sudoku Tour
A Magical Mystery Sudoku Tour
 00:35:56 36 min
3010 X-Digit-Sums 2022-04-20 Mark Christian Scherer Ambiguous Clues, Killer, X-Digit-Sums
A New Dimension Using 1s and 2s
A New Dimension Using 1s and 2s
 00:28:19 29 min
2978 Reflection and Rotation 2022-04-12 Mark Ore Ambiguous Clues, Little Killer, Symmetry, Thermo
Reflections of a Mathematician
Reflections of a Mathematician
 00:24:49 25 min
2937 Dynamic Dots 2022-04-02 Mark Orhun Yüksel Ambiguous Clues, Kropki, XV
One of the Most Dynamic Puzzles Ever
One of the Most Dynamic Puzzles Ever
 00:44:51 45 min
2895 Twenty-Four and What? 2022-03-22 Mark AndreasV Ambiguous Clues, Group Sums
What Is the Magic Number?
What Is the Magic Number?
 00:22:54 23 min
2769 Which Direction? 2022-02-18 Mark Lisztes Ambiguous Clues, Killer, Kropki, Little Killer
Having No Clue at all ...
Having No Clue at all ...
 00:52:53 53 min
2757 Three Hearts 2022-02-14 Mark James Kopp Ambiguous Clues, Arrow, Palindrome, Thermo
For the Love of Sudoku!
For the Love of Sudoku!
 00:57:56 58 min
2634 hny 2022 2022-01-03 Mark WombatBreath Ambiguous Clues, Killer, Kropki
2022 - This is the year of Sudoku
2022 - This is the year of Sudoku
 00:22:26 23 min
2526 WL SP 2.27.22 2021-12-05 Mark Andypip88 Ambiguous Clues, Killer, Little Killer, Thermo
The Ultimate Wedding Present!
The Ultimate Wedding Present!
 00:21:02 22 min
2512 Killocator 2021-11-30 Mark starwarigami Ambiguous Clues, Killer
Wait, There are Still No Digits in this Sudoku?
Wait, There are Still No Digits in this Sudoku?
 00:55:25 56 min
2486 Hiding Little Killers 2021-11-23 Mark Lisztes Ambiguous Clues, Killer, Little Killer, Thermo
But ... Where are the Clues?
But ... Where are the Clues?
 00:39:02 40 min
2383 Playing Ludo 2021-10-22 Mark Svanemamma Ambiguous Clues, Killer, Min/Max, O/E, Thermo
I Play ... this Game
I Play ... this Game
 00:29:12 30 min
2247 Whose Line Is It Anyways? 2021-09-08 Mark Peter Veenis Ambiguous Clues, German Whispers, Palindrome, Renban
How to Improvise a Solution to a Tough Problem
How to Improvise a Solution to a Tough Problem
 00:37:11 38 min
2236 The Box 2021-09-05 Mark The Norinori Guy Ambiguous Clues, Anti-Knight, Killer, Thermo
Think About the Outside of the Box
Think About the Outside of the Box
 00:20:28 21 min
2203 The Witness 2021-08-25 Mark Sktx Ambiguous Clues, Kropki, Thermo
Sudoku Expert plays The Witness (Sudoku)
Sudoku Expert plays The Witness (Sudoku)
 00:26:31 27 min
2198 The Robin Hood Incident 2021-08-23 Mark RobK Ambiguous Clues, Arrow
Magic at the Beginning ... and at the End
Magic at the Beginning ... and at the End
 00:33:57 34 min
2121 Skylines 2021-07-28 Mark Doug Jelen Ambiguous Clues, Skyscraper
Colourful Skylines
Colourful Skylines
 00:37:23 38 min
2109 7ZAR 2021-07-24 Mark Joseph Nehme Ambiguous Clues, Killer
Algebra won't teach you how to find X here!
Algebra won't teach you how to find X here!
 00:20:15 21 min
2085 Square Wheel 2021-07-16 Mark Twototenth Ambiguous Clues, Exponents, Killer, Little Killer
Fixing a Square Wheel
Fixing a Square Wheel
 00:40:31 41 min
2043 Sudoku #2043 2021-07-02 Mark Prasanna Seshadri Ambiguous Clues, Arrow, Killer, Liar
One of these Clues ... is Fake News
One of these Clues ... is Fake News
 00:17:22 18 min
2029 Broken Arrows 2021-06-27 Mark RobK Ambiguous Clues, Arrow
My Arrows are Broken!
My Arrows are Broken!
 00:23:20 24 min
1960 A Lying Stars Mystery 2021-05-29 Mark Dylan Caruso Ambiguous Clues, Killer, Liar
Better to be a Liar or a Killer?
Better to be a Liar or a Killer?
 00:34:54 35 min
1896 Ambiguity 2021-04-30 Mark zetamath Ambiguous Clues, Arrow, Thermo
The Devastating Difficulty of a Simple Idea
The Devastating Difficulty of a Simple Idea
 00:48:04 49 min
1885 TrioSumDiag 2021-04-25 Mark Aad van de Wetering Ambiguous Clues, Diagonal, Sums, Thermo
A piece from the Dutch master - is it a Masterpiece?
A piece from the Dutch master - is it a Masterpiece?
 00:23:26 24 min
1806 Tetris at 3am 2021-03-18 Mark melzzzy Ambiguous Clues, Killer, Kropki
Getting Out of Bed for a Sudoku - Sync'ed
Getting Out of Bed for a Sudoku - Sync'ed
 00:16:15 17 min
1799 Cryptic Triptych 2021-03-15 Mark Elias Kar Ambiguous Clues, Kropki, Thermo
This Problem is not Black and White
This Problem is not Black and White
 00:46:45 47 min
1764 Among Us 2021-02-27 Mark meowzzz Ambiguous Clues, Killer, Liar, Little Killer
The Sudoku solver Among Us
The Sudoku solver Among Us
 00:30:03 31 min
1758 Killer Cat Sudoku 2021-02-24 Mark Stuart Emmerson Ambiguous Clues, Killer, Thermo
A Cat Video - Sudoku Version
A Cat Video - Sudoku Version
 00:24:45 25 min
1694 Missing Bulbs 2021-01-25 Mark Ben Needham Ambiguous Clues, Thermo
How Many Minutes to put in a Bulb?
How Many Minutes to put in a Bulb?
 00:16:50 17 min
1690 Connect the Dits 2021-01-23 Mark Dance1211, Undar_Beyond Ambiguous Clues, Kropki
What Does this EVEN Mean?
What Does this EVEN Mean?
 00:28:03 29 min
1676 Killer Sudoku - Sums or Products 2021-01-16 Mark Akash Jain Ambiguous Clues, Killer
Simple Sudoku Arithmetic
Simple Sudoku Arithmetic
 00:30:54 31 min
1654 La Persistencia del Sudoku 2021-01-05 Mark Phil Preen Ambiguous Clues, Palindrome, Thermo
Artistic Genius
Artistic Genius
 00:32:20 33 min
1637 Kropki’s Revenge 2020-12-28 Mark Dolev Sacher Ambiguous Clues, Kropki
Revenge of the Dots
Revenge of the Dots
 00:29:29 30 min
1613 8x8 Mystery Sandwich 2020-12-17 Mark Doug Jelen Ambiguous Clues, Irregular, Sandwich, Thermo
Abnormal Sudoku Rules Apply
Abnormal Sudoku Rules Apply
 00:17:47 18 min
1609 Thermodiamonds 2020-12-15 Mark J J Olsen Ambiguous Clues, Slow Thermo, Sums
No Digits? This CAN'T work!
No Digits? This CAN'T work!
 00:35:14 36 min
1570 SVS (296) - Flexible Sandwich Sudoku 2020-11-27 Mark Richard Stolk Ambiguous Clues, Sandwich
Back Yourself to Solve This
Back Yourself to Solve This
 00:26:09 27 min
1547 Build-a-Sandwich Sudoku 2020-11-16 Mark xoned Ambiguous Clues, Sandwich
Make Your Own Puzzle
Make Your Own Puzzle
 00:21:01 22 min
1489 A Knight's Mystery Sandwich 2020-10-19 Mark Doug Jelen Ambiguous Clues, Sandwich
What can X and Y be?
What can X and Y be?
 00:21:57 22 min
1464 SVS (250) - Sudoku X Is Still Alive 2020-10-07 Mark Richard Stolk Ambiguous Clues, Killer
X is Still Alive!
X is Still Alive!
 00:22:38 23 min
1449 Graham's Number - Little Killer Sudoku 2020-09-30 Mark Johannes Quack Ambiguous Clues, Little Killer
The Number that BLOWS minds
The Number that BLOWS minds
 00:26:19 27 min
1443 Mystery Sandwich Sudoku 2020-09-27 Mark Doug Jelen Ambiguous Clues, Diagonal, Sandwich
Please Find My Sandwiches
Please Find My Sandwiches
 00:27:03 28 min
1435 Swiss Flag Sudoku 2020-09-23 Mark Rhys Minchin Ambiguous Clues, Cipher, Killer, Sandwich, Sums
Fun With Flags, Sudoku Style
Fun With Flags, Sudoku Style
 00:42:18 43 min
1433 Food Fight Sudoku 2020-09-22 Mark shye Ambiguous Clues, Battlefield, Sandwich
Food Fight!
Food Fight!
 00:37:24 38 min
1409 Uncertainty Thermo Sudoku 2020-09-11 Mark Matt Cavnar-Johnson Ambiguous Clues, Thermo
A Certain Uncertainty
A Certain Uncertainty
 00:35:23 36 min
1347 Hidden X-Sums & Sandwiches 2020-08-13 Mark Kaleb Fowler Ambiguous Clues, Sandwich, X-Sums
X-Sums or Sandwich?
X-Sums or Sandwich?
 00:22:53 23 min
1273 Little Killer Sudoku 2020-07-09 Mark Philipp Huber Ambiguous Clues, Inequality, Killer, Little Killer
Wait ... HOW many given digits?
Wait ... HOW many given digits?
 00:23:57 24 min
1243 Magic Chess Sudoku 2020-06-25 Mark Jamie Cavallo Ambiguous Clues, Anti-King, Anti-Knight, Anti-Queen, Little Killer, Magic Square, Set Values
Magic Chess Sudoku
Magic Chess Sudoku
 00:20:30 21 min
1156 SVS (095) - Different Differences 2020-05-16 Mark Richard Stolk Ambiguous Clues, Difference
The Dutch Master Again
The Dutch Master Again
 00:43:16 44 min
1094 Little Killer "Oddballs" Sudoku 2020-04-20 Mark Thomas Johnsen Ambiguous Clues, Diagonal, Little Killer
Sudoku Oddballs
Sudoku Oddballs
 00:32:08 33 min
1042 Tic Tac Toe Sudoku 2020-03-29 Mark Akash Doulani Ambiguous Clues, O/E, Tic Tac Toe
Tic Tac Toe Sudoku - Find the winning lines!
Tic Tac Toe Sudoku - Find the winning lines!
 00:11:58 12 min
1039 Uncertain Sudoku #5 - Sum or Average Arrow 2020-03-28 Mark Sam Cappleman-Lynes Ambiguous Clues, Arrow, Average Arrow
Sudoku Uncertainty - Are You Sure?
Sudoku Uncertainty - Are You Sure?
 00:29:45 30 min
737 Sudoku #737 2019-07-22 Mark Čedomir Milanović Ambiguous Clues, Set Values, Sums
Greater or Sum Sudoku
Greater or Sum Sudoku
 00:09:58 10 min
677 Disguised Palindromes Sudoku 2019-06-01 Mark Rakesh Rai Ambiguous Clues, Palindrome
Disguised Palindromes - Aha!
Disguised Palindromes - Aha!
 00:15:33 16 min

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