ctc-catalogue: sudoku_puzzles: 3,273 rows where Solver contains "Mark" sorted by Id descending

Sudoku puzzle-solving videos from CTC.

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

3,273 rows where Solver contains "Mark" sorted by Id descending

descending

Id ▲	Puzzle Title	Date	Solver	Setter	Constraints	Video	Video Length	Video Length (Minutes)
9197	Hang in the Balance	2026-09-30	Mark	James Kopp	Arrow, German Whispers, Kropki, Renban	Don't Leave me Hanging!	00:37:07	38 min
9193	Reflective Vortex	2026-09-29	Mark	Julink	Incomplete Clues, Non-Repeat, Reflectors, Region Sum Lines	Straight into the Vortex ... and Back out Again!	00:32:51	33 min
9188	Par(i)ty Lines	2026-09-28	Mark	Quiriqui	Anti-Knight, Anti-Ratio, Clone, Kropki, Parity Lines	Party Time	00:31:42	32 min
9183	Wet Blankets	2026-09-27	Mark	Jorava	Extra Regions, Negators, O/E, Ratio, Sums, XV	Don't Worry about the Wet Blankets!	00:25:26	26 min
9179	Waterfall	2026-09-26	Mark	Salidom	Kropki, O/E	Just Dots, but we're going Dotty!	00:43:34	44 min
9175	No Peeking - Markov's Order	2026-09-25	Mark	Belamis	Factors, Fog, German Whispers, Killer	No Peeking - I Mean it!	00:40:56	41 min
9169	Switching Circuit	2026-09-24	Mark	Neil Armchair	Count, Non-Repeat, Pathway, Region Sum Lines, Symmetry	A Short Circuit in my Brain	01:08:44	69 min
9165	What’s in a Name	2026-09-23	Mark	Ξ	Cipher, Digit Restriction, Killer, Nullifiers, Thermo	What's in a Name? Sudoku!	00:26:58	27 min
9161	Hitpoint Arrows	2026-09-22	Mark	damo_89	Hitlines	Arrows that Hit Home - Hard!	00:23:20	24 min
9156	Mystery City Sandwich	2026-09-21	Mark	Molly Boodey	Ambiguous Clues, Sandwich, Skyscraper, X-Sums	Explore the Mystery City	00:58:07	59 min
9152	Sunrise, Sunset	2026-09-20	Mark	heliopolix	Ambiguous Values, Sums	Touching Moments at Sunrise and Sunset	00:59:00	59 min
9148	Horses Sliding Through a Field of Oil and Water	2026-09-19	Mark	Merdock	Anti-Knight, Aquarium, Fog, Killer	Beware the Sliding Horses	00:38:06	39 min
9144	Curving Lasers	2026-09-18	Mark	LNOMISL	Consecutive, Count, German Whispers, O/E, Parity Lines, Region Sum Lines	Is This Extra Terrestrial Intelligence?	00:37:19	38 min
9138	Setting Things Straight	2026-09-17	Mark	Jrosas	Consecutive, Counting Sets, Fog, Yin-Yang	Setting The Record Straight	00:46:51	47 min
9134	Say It or Sum It	2026-09-16	Mark	Artham	Ambiguous Clues, Look-and-Say, Sums	See it, Say it, Sorted	00:33:57	34 min
9130	Diagonal π	2026-09-15	Mark	James Kopp	German Whispers, Ratio	More Irrational than Expected	00:41:34	42 min
9126	Thanks Testers	2026-09-14	Mark	99%Sneaky	Dutch Whispers, Entropic Lines, Renban, Sums	Thanks to All Testers!	00:38:37	39 min
9122	Working Around the Clock	2026-09-13	Mark	Delfuego	Kropki, Renban	Working around the Clock	00:16:09	17 min
9118	Center Focus	2026-09-12	Mark	DedaKosta	Arrow, Diagonal, German Whispers, Kropki, Thermo	Losing Focus	02:15:39	136 min
9114	Pointer Arrow Sudoku	2026-09-11	Mark	Martin Bråten	Arrow, Indexing, Multitask Clues	Pointing ... Where?	00:28:31	29 min
9108	Azul	2026-09-10	Mark	Blobz	German Whispers, Renban, Thermo	Refined Elegance in Sudoku	00:38:50	39 min
9104	Search and Surprise	2026-09-09	Mark	SandraNala	Fog, Incomplete Clues, Numbered Rooms, Thermo	Birthday Presents for Nala!	00:28:36	29 min
9100	Searching High & Low	2026-09-08	Mark	Daniel Hanson	Ambiguous Clues, Anti-Knight, Inequality, Magic Square, Min/Max	Searching Everywhere in the Grid!	00:59:53	60 min
9095	Halo Loop	2026-09-07	Mark	Derek LeClair	German Whispers, Loop, Sweeper	Going Loopy with a Loop	01:13:14	74 min
9091	X-Sandwiches	2026-09-06	Mark	Sir Algee	Anti-Knight, Anti-Ratio, Ratio, Sandwich, X-Sums	Different Rules for Different Sides!	00:39:18	40 min
9087	The Ant(i) Farm	2026-09-05	Mark	HDev	Anti-Ratio, Equal Sums, Ratio	Vari-ANT Sudoku	00:40:06	41 min
9083	Group Theory	2026-09-04	Mark	Gabriel Kammer	Ambiguous Clues, German Whispers, Region Sum Lines, Renban	What! Sometimes you CAN use Uniqueness?	01:10:15	71 min
9077	High Bars	2026-09-03	Mark	Jobo	Consecutive, Pencilmarks	Sometimes the Bar is Very High	00:44:29	45 min
9072	Algae	2026-09-02	Mark	Evan	German Whispers	Algae	00:28:49	29 min
9068	Dutch Thermos Tell No Tales	2026-09-01	Mark	The Bard	Consecutive, Dutch Whispers, Incomplete Clues, Multitask Clues, Thermo, XV	A new Dutch Twist on Sudoku	00:38:59	39 min
9064	Querulous	2026-08-31	Mark	Nicolas Duhail	Anti-Knight, Dutch Whispers, Entropic Lines, Equal Sums, German Whispers, Modular Lines, Nabner, Parity Lines, Region Sum Lines, Renban	An Absolutely Incredible Sudoku Feat	00:36:55	37 min
9060	Renbarrows: Consecutive Consequences	2026-08-30	Mark	LogzMort, MaizeGator	Arrow, Renban	Wacky Lines I can't Keep track of	00:34:23	35 min
9056	Karina	2026-08-29	Mark	Balshoj	Dutch Whispers, German Whispers, Thermo, XV	Sudoku from the Heart!	00:37:37	38 min
9052	Pointers and Pulsars	2026-08-28	Mark	David Sadler	Exponents, Mean	What's the Point of a Pulsar?	00:40:45	41 min
9046	Cube Chaos	2026-08-27	Mark	mellowrobinson	4x4, Cave Count, Chaos Construction, Killer, Linked Grids	Utter Cubic Chaos	01:16:24	77 min
9042	Rising Entropy	2026-08-26	Mark	Sneppix	Entropic Lines, Thermo	Solving all the Way to ... Entropy	00:34:43	35 min
9038	Clueless Minimax	2026-08-25	Mark	Alf Smith	Friendly Cells, Min/Max	Meeting the Gold Standard	00:44:21	45 min
9034	Oops! All Twins	2026-08-24	Mark	Michael Lefkowitz	4x4, S-Cells, Sums	HOW Many Digits in a 4x4 Sudoku?	00:25:17	26 min
9030	Foggy Greater Than Tens Negative	2026-08-23	Mark	pagedo	Anti-XV, Fog, Inequality, XV	Foggy X or Greater	00:46:04	47 min
9026	Partial Credit	2026-08-22	Mark	Kusane	Sums	Can I Please Get Partial Credit?	00:39:14	40 min
9022	Seven Lines	2026-08-21	Mark	Stephen Richards	Killer, Kropki, Quadruple, Region Sum Lines, Renban	A First-Ever Puzzle ... and a Good One!	00:24:50	25 min
9016	I See No Dots	2026-08-20	Mark	billybeth	Anti-Ratio, German Whispers	Look at All those Black Dots ...	00:38:03	39 min
9012	Splitski 2	2026-08-19	Mark	WEBthe3rd	Kropki, Sums	Split right down the middle	00:28:47	29 min
9008	Knight Shift	2026-08-18	Mark	elle3113	Anti-Knight, Fog, German Whispers, Killer, Palindrome, Renban, XV	On the Knight Shift	00:29:23	30 min
9003	Heart Brea-King	2026-08-17	Mark	olima	Anti-King, German Whispers, Kropki	Don't Go Breaking my Heart	00:27:55	28 min
8998	Even Regions	2026-08-16	Mark	Vythic	Count, Killer, Kropki, O/E, Region Building	How is this Even Possible?	00:40:58	41 min
8994	Happy Independence Day!	2026-08-15	Mark	debabrata	Difference, O/E	Happy Independence Day	01:03:32	64 min
8990	Ballad of the Singing Cage	2026-08-14	Mark	Altess	Fog, Look-and-Say	Say What You See!	00:37:50	38 min
8984	Ring Loop	2026-08-13	Mark	Dorlir	Difference, Loop, Non-Repeat	Birthday Treats All Round!	00:54:17	55 min
8980	Easy as 1, 2, 3...	2026-08-12	Mark	Patrick Junke	Killer, Neighbour Sums	Really NOT that "Easy" Either ...	00:27:03	28 min
8976	Spaghetti & Meatballs	2026-08-11	Mark	MOORESUDOKU90	Anti-Knight, Counting Sets, Equal Sums, Non-Repeat, Whispers	A Tasty Dish of Sudoku	00:46:46	47 min
8972	Hitting the Sweet Spot	2026-08-10	Mark	PrissyP	Hitlines, Incomplete Clues, Multitask Clues	Sudoku in the Sweet Spot	01:04:59	65 min
8967	Ground Floor	2026-08-09	Mark	Ishie	Arrow, German Whispers, Modifier Cells, Ratio	What do you Mean you want Fractions? In Sudoku?	00:49:46	50 min
8963	Broken 358 Tears	2026-08-08	Mark	Bha-Gu	Digit Restriction, King's Move	A First Ever Puzzle - a Remarkable One!	00:29:52	30 min
8959	Maximum Effort	2026-08-07	Mark	Chris Napolitano	Arrow, Double Arrow, German Whispers, Killer	Take sudoku to the Max	00:30:52	31 min
8953	Anti & Pro Knights	2026-08-06	Mark	Eric Bader	Digit Restriction, German Whispers, Killer, Knight's Move, Renban, Toroidal	Do Not Always Be Anti Knight!	01:09:05	70 min
8949	2 Truths and a Quibble	2026-08-05	Mark	Zombie Hunter	Indexing, Liar, Quadruple	Would I Lie to You (sudoku style)?	00:44:19	45 min
8945	Floating Through Space	2026-08-04	Mark	gdc	7x7, Cave Count, Chaos Construction, Sums	Floating in a Most Peculiar Way	00:32:30	33 min
8936	Massive W, Little L	2026-08-02	Mark	Mr.Menace	Palindrome	Don't Disconnect my Line!	00:45:42	46 min
8932	poLo	2026-08-01	Mark	Mattisahuman	Consecutive, Index Lines, Loop, Min/Max	A Polo Field with Tumbleweed?	01:17:26	78 min
8928	Magical Constellation	2026-07-31	Mark	Daniel Hanson	Anti-Knight, Anti-Ratio, Magic Square, Ratio	A Poor Performance - the Curse of the White Knight?	00:49:18	50 min
8922	Pop Goes the World	2026-07-30	Mark	Alchemist	Inequality, Shading, Sweeper	Watch Out, Weasel!	01:08:20	69 min
8918	Call 999	2026-07-29	Mark	billybeth	Incomplete Clues, Non-Repeat, Ratio, Sums	Ring for Help with this Sudoku!	00:26:30	27 min
8914	Double Arrows	2026-07-28	Mark	Aad van de Wetering	Anti-King, Arrow	Who Dares Usurp the Sudoku King?	00:27:35	28 min
8909	Whispering Regions	2026-07-27	Mark	Derek LeClair	German Whispers, Multitask Clues, Region Sum Lines, Sequence	The Development of a Beautiful Puzzle	00:34:55	35 min
8905	River Flows in You	2026-07-26	Mark	Ridhwan	Region Sum Lines	A Very Remarkable Break-In	00:37:41	38 min
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 ...	00:49:50	50 min
8897	Chasing Steeples	2026-07-24	Mark	Vitray	Anti-Knight, Arrow, Killer	The Sudoku Horsey Chases his Tail	00:31:35	32 min
8891	Diagonal Stretch	2026-07-23	Mark	Lithium-Ion	Arrow	This might be a Bit of a Stretch!	00:38:15	39 min
8887	Network	2026-07-22	Mark	Jobo	Arrow, Double Arrow	Sudoku with Great Networking	00:42:41	43 min
8883	A Sudoku That Spells Cicada	2026-07-21	Mark	meloettaHD	Anti-King, Anti-Knight, Clone, Dutch Whispers, Index Lines, Killer	Insect-Based Sudoku!	00:30:23	31 min
8879	Sandwich Between Sudoku	2026-07-20	Mark	TheScrasse	Between Lines, Sandwich	Getting Between a Solver and his Sandwich	00:40:02	41 min
8875	Murder by Numbers	2026-07-19	Mark	Big_Bro, Lil_Sis	German Whispers, Mystery, O/E, Ratio, Sums	Can you Believe who the Murderer is?	00:33:43	34 min
8871	Wrogn Turn at Albuquerque	2026-07-18	Mark	Daemen	Arrow, Liar, Thermo	Try not to Go Wrong!	00:29:55	30 min
8867	Banksy Wor-King at Queen's Mews	2026-07-17	Mark	olima	Anti-King, German Whispers, Thermo	It's Sudoku - but is it Art?	00:35:42	36 min
8861	Unlucky 13	2026-07-16	Mark	Possible Spam Risk	Japanese Sums	Danger! Emergency! Sudoku!	00:50:34	51 min
8857	Dual Deli	2026-07-15	Mark	Blocksy	Incomplete Clues, Min/Max, Sandwich	Double the Sandwich Fun!	01:26:46	87 min
8853	Wobbly Whispers	2026-07-14	Mark	Ben Gaunt	Difference, German Whispers, Kropki	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	01:04:24	65 min
8844	A Very Small Flashlight	2026-07-12	Mark	PhyDraLey	Anti-Knight, Anti-Ratio, Arrow, Fog, German Whispers, Ratio, Region Sum Lines, Thermo, XV	A Very Small Flash of Light	01:50:04	111 min
8840	Liar Sudoku	2026-07-11	Mark	[Anonymous]	Liar	The Puzzle I did not Want to Do	00:36:10	37 min
8836	TDF: The Route	2026-07-10	Mark	palpot	Count, Difference, Entropic Lines, Pathway, Sweeper	Win the Yellow Jersey	00:39:00	39 min
8831	Difference of Opinion	2026-07-09	Mark	Alchemist	Difference, Inequality, Sequence	These Different Differences Hit Different!	00:24:23	25 min
8827	Increasing Differences	2026-07-08	Mark	Aad van de Wetering	Difference	No Shame in the Struggle and Perseverance	01:25:00	85 min
8822	Poison Arrows	2026-07-07	Mark	billybeth	Arrow, Division	Are These Poison Arrows?	00:26:49	27 min
8817	250!	2026-07-06	Mark	RockyRoer	Multiplication, Repeat Digits	250 Years Young!	00:34:57	35 min
8813	Counting Killer Cells	2026-07-05	Mark	Sir Algee	Anti-Knight, Counting Sets, Killer, Unknown Values	At least the Cage Cells have already been Counted!	00:44:31	45 min
8808	Sums and Differences	2026-07-04	Mark	alarark50	Difference, Little Killer, Ratio, Sums, Thermo, Unknown Values	This Kind of Line might only Appear this Once	00:33:30	34 min
8804	Green and Blue	2026-07-03	Mark	Souradip Das	German Whispers, Region Sum Lines	What's Green, and Blue all over?	01:03:25	64 min
8798	World Cup 2026: Kick Off!	2026-07-02	Mark	Sudoku Joker	Adjacency, Cipher, Digit Restriction, Fog, Group Sums, Non-Consecutive, O/E	Kick Off with Sudoku!	00:27:43	28 min
8794	It’s Getting Hot in Here!	2026-07-01	Mark	Kiwi Curt	Kropki, Thermo	Is it Getting Hot in Here?	00:23:07	24 min
8790	One (King) to Nine (Knights)	2026-06-30	Mark	HDev	Anti-King, Anti-Knight, Ratio, Thermo	Going Full Chess on Sudoku	00:54:53	55 min
8785	Come Clarity	2026-06-29	Mark	DarthSillious72	Killer, Palindrome, Region Sum Lines	Bring some Clarity to this Puzzle!	00:33:38	34 min
8781	Just Sum Long Lines	2026-06-28	Mark	David Workman	Region Sum Lines	Are Long Lines Easier or Harder?	00:51:22	52 min
8777	SUGOKU	2026-06-27	Mark	Hancker	Nabner, O/E	Sudoku that is also a Game of Go!	01:03:38	64 min
8773	Magnificent Mansion	2026-06-26	Mark	Calvinball, oskode	Double Arrow, Multitask Clues, Numbered Rooms	This Mansion is Magnificent	01:34:37	95 min
8767	Even Distribution	2026-06-25	Mark	Charmquark	Killer, Kropki, O/E	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	00:22:48	23 min
8759	Reborn Hooligan Ghost	2026-06-23	Mark	Lithium-Ion	Adjacency, Sums	Brilliant Grid Simplicity	00:46:13	47 min
8754	Slow Arrows	2026-06-22	Mark	billybeth	Arrow, Multitask Clues, Slow Thermo	Slow Arrows ... Slow Solve!	01:08:36	69 min