ctc-catalogue: not_gas_puzzles: 174 rows where Constraints contains "XV" and Solver contains "Mark" sorted by Id descending

Sudoku puzzle-solving videos from CTC (excluding GAS puzzles).

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

174 rows where Constraints contains "XV" and Solver contains "Mark" sorted by Id descending

descending

Id ▲	Puzzle Title	Date	Solver	Setter	Constraints	Video	Video Length	Video Length (Minutes)
7894	Phistomefel's 5	2025-12-02	Mark	Exli	German Whispers, Kropki, Palindrome, Region Sum Lines, XV	5 points to Phistomefel!	00:22:35	23 min
7884	Six Seven	2025-11-29	Mark	Zentoxe	Anti-Knight, Digit Restriction, Sums, XV	Six Seven - Now Rendered Meaningful!	00:23:15	24 min
7869	Halfway There	2025-11-25	Mark	James Sinclair	Arrow, Extra Regions, Halvers, Killer, Thermo, XV	Whoa-oh - We're Halfway There	00:30:39	31 min
7848	X Marks the ????	2025-11-20	Mark	Molly Boodey	Anti-Ratio, Ratio, Renban, XV	What Even is the Question?	00:35:59	36 min
7835	Three Strikes and You’re Out	2025-11-16	Mark	James Kopp	Binairo, Non-Consecutive, XV	Three Strikes is Too Many!	00:39:23	40 min
7821	Escape the Foggy Liar	2025-11-12	Mark	PhoenixAki	Arrow, Fog, German Whispers, Killer, Liar, Ratio, Thermo, XV	Sudoku Lines that Lie!	00:41:21	42 min
7810	Zombie Drome	2025-11-09	Mark	R. Mullinix	Extra Regions, Killer, Kropki, Modifier Cells, Palindrome, XV	Zombie Alert	00:42:08	43 min
7799	Aargh!	2025-11-06	Mark	Jaxar	Killer, O/E, Ratio, Region Sum Lines, Renban, Sequence, Thermo, XV	The Pirate Cat Comes to Play	00:33:11	34 min
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	00:32:52	33 min
7759	Sudoku Attempt #2	2025-10-25	Mark	Sarah T	Killer, Kropki, Sandwich, XV	Newbie Sudoku	00:18:09	19 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	00:31:49	32 min
7742	Surprising Stars	2025-10-20	Mark	Ryan Adams	Anti-XV, Copycat, Fog, Killer, XV	A Surprise Twist in the Tail	00:31:25	32 min
7686	Hedge Fun	2025-10-03	Mark	vfig	German Whispers, Incomplete Clues, Pathway, XV	Hedge Fun	00:51:22	52 min
7666	v38	2025-09-28	Mark	Riffclown	Killer, XV	A Wonderful Exercise in Killer Sudoku	00:32:48	33 min
7630	Raining Ten Clues	2025-09-19	Mark	Patrick Junke	Anti-XV, Killer, XV	Hallelujah - It's Raining Ten!	00:46:05	47 min
7573	Tasting Menu	2025-09-03	Mark	Niclas Kupper	Arrow, Dutch Whispers, Kropki, Min/Max, Thermo, XV	One of the Tastiest Sudokus around	00:41:47	42 min
7520	You're Such a Square!	2025-08-18	Mark	Thomas Prestopnik	Diagonal, Exponents, XV	I wouldn't call a Sudoku Solver a Square!	00:19:50	20 min
7504	Terrace	2025-08-13	Mark	Henk Nicolai	159, Dutch Flat Mates, O/E, XV	Fives are Strange Neighbours!	00:40:18	41 min
7484	The Buried Clue Walls	2025-08-08	Mark	Patrick Junke	Consecutive, Killer, Polyominoes, Region Building, XV	Find the Walls - Solve the Sudoku	00:42:13	43 min
7439	Sagitta Speakeasy	2025-07-25	Mark	Katie Splendor	Extra Regions, Kropki, Modular Lines, XV	This Sudoku is "Lovely"	00:29:44	30 min
7433	Original Sin	2025-07-24	Mark	gdc	6x6, Extra Regions, Non-Repeat, Pathway, XV	Absolutely Cosmic Sudoku!	01:03:34	64 min
7418	Detached Regions of Seven	2025-07-20	Mark	Md88keys	0-6 Digits, 7x7, Anti-XV, Irregular, Sums, XV	Forget Most of what you know about Normal Sudoku Rules ...	00:23:18	24 min
7389	Scientist's Region Sum Guy	2025-07-11	Mark	LNOMISL	Anti-Ratio, O/E, Ratio, Region Sum Lines, XV	The Mad Scientist Returns ... Again!	00:30:38	31 min
7385	XV Inequality Sudoku	2025-07-10	Mark	Hyunmo Kang	Ambiguous Clues, Anti-XV, Inequality, XV	What does this Grid Marking even Mean?	00:46:58	47 min
7283	Feeding Friendsy	2025-06-09	Mark	sujoyku	Difference, Extra Regions, Pathway, Ratio, Split Pea Lines, XV	Croakz the Frog plays Sudoku!	00:50:06	51 min
7280	Treasury Island	2025-06-08	Mark	SUDOOOOOKUfan87	Ambiguous Clues, Killer, Nurikabe, XV	Can you Find Treasury Island?	00:45:53	46 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	00:26:47	27 min
7251	The Lattice	2025-05-30	Mark	James Kopp	Between Lines, Double Arrow, XV	A Superb bit of Sudoku Construction	00:43:03	44 min
7233	Below Zero	2025-05-25	Mark	James Kopp	German Whispers, Negators, Region Sum Lines, XV	I trusted this setter. Now he destroys me ...	01:10:34	71 min
7150	Bishopsgate	2025-05-02	Mark	Cristopher Moore	Anti-Queen, Consecutive, XV	Letting the Bishop have a Turn!	00:39:03	40 min
7143	Three’s a Crowd	2025-04-30	Mark	Dani Dracogal	Digit Restriction, Kropki, XV	Special New Rules for Three!	00:26:15	27 min
7137	Spellbinding Square	2025-04-28	Mark	shady moon	Anti-King, Anti-XV, Magic Square, Thermo, XV	This Square will Cast a Spell on You	00:45:44	46 min
7123	Different Delights	2025-04-24	Mark	ThePedallingPianist	Difference, Fog, Non-Repeat, Ratio, XV	Many Foggy Returns of the Day!	00:43:27	44 min
7039	Sydney Harbour Bridge	2025-04-03	Mark	James Kopp	Dutch Whispers, Region Sum Lines, Renban, XV	Postcard from Sydney, Australia	00:37:16	38 min
6994	Naughts and Crosses	2025-03-20	Mark	CraigFJ	Kropki, Miscellaneous, O/E, XV	Another Tic Tac Toe Showdown!	00:36:36	37 min
6988	Archery Contest: XV	2025-03-18	Mark	I Love Sleeping	Killer, Sequence, XV	Hitting the Sudoku Bullseye!	00:46:30	47 min
6893	CRICKING THE CR#PTIC	2025-02-17	Mark	pb45	Killer, Little Killer, Magic Square, XV	Some Approachable Magic	00:19:11	20 min
6866	Echolocation	2025-02-09	Mark	Erin Toler	Ratio, Sequence, XV	An Echo of Tomorrow's Extra Bonus Video	00:45:59	46 min
6830	Domino Flat Mates	2025-01-29	Mark	Dorlir	0-8 Digits, Dutch Flat Mates, Fog, Neighbour Sums, XV	Flat Mates who Haven't the Foggiest	00:22:26	23 min
6758	Sprinkles Ice Cream	2025-01-07	Mark	Frosty	German Whispers, Killer, Ratio, Renban, Same Difference Lines, XV	A Deliciously Sweet Sudoku Treat	00:23:28	24 min
6749	German Beetles	2025-01-04	Mark	Katie Splendor	Consecutive, German Whispers, Killer, Palindrome, Thermo, XV	Really Approachable ... Beetles?	00:10:33	11 min
6708	The Polar(ity) Express	2024-12-22	Mark	Jaxar	Dutch Whispers, German Whispers, Killer, O/E, Region Sum Lines, Renban, Thermo, XV	Is That a Tree in the Corner?	00:27:58	28 min
6684	Boomerangs in Orbit	2024-12-15	Mark	Sudoku Noob	German Whispers, Renban, XV	Some Sudokus Can't Be Thrown Away ...	00:23:59	24 min
6656	Sphinx of Black Quartz	2024-12-07	Mark	aqjhs	Anti-Knight, Anti-XV, Consecutive, Non-Consecutive, Palindrome, XV	Just a Palindrome - or Something Incredible?	01:26:42	87 min
6622	One Line (?)	2024-11-27	Mark	Zorroish	Dutch Whispers, German Whispers, O/E, XV	One Line - Or Many More?	00:17:20	18 min
6587	You Know How I Roll	2024-11-17	Mark	arctan	Fog, Ratio, XV	Approachable Fog of War Sudoku!	00:20:28	21 min
6571	I 🩷💙 Sudoku	2024-11-12	Mark	PjoeterBliep	Region Sum Lines, Renban, Whispers, XV	We Absolutely Heart Sudoku	00:19:25	20 min
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	00:53:02	54 min
6527	Carved Out	2024-10-31	Mark	Wypman	Entropic Lines, German Whispers, Thermo, XV	A Gentle Halloween Experience - I Promise!	00:13:41	14 min
6515	German Indeuxers	2024-10-27	Mark	Donatello_86	Arrow, Consecutive, German Whispers, Killer, XV	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 ...	00:40:29	41 min
6481	Integral of x³	2024-10-17	Mark	Evan	German Whispers, Killer, Region Sum Lines, Renban, XV	The Integration Expansion	00:20:43	21 min
6453	Find the Haters	2024-10-09	Mark	Sumanta Mukherjee	Killer, Liar, O/E, Renban, Thermo, XV	Find the Trolls	00:30:43	31 min
6420	Ocotillo Blossoms	2024-09-29	Mark	Cheerfuljanb	Dutch Whispers, German Whispers, Kropki, XV	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 ...	00:21:27	22 min
6414	Super Nova	2024-09-27	Mark	Ahmadoku	Arrow, XV	Return of the Sudoku Supernova?	00:15:18	16 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	00:23:47	24 min
6347	13	2024-09-06	Mark	Sudoku Noob	Diagonal, Killer, Sandwich, XV	When is a Noob an Experienced Expert?	00:32:16	33 min
6316	Negative X Plus V	2024-08-28	Mark	Bokke	Anti-XV, Irregular, Killer, XV	Negative Boxes	00:42:14	43 min
6244	Alarm Clock	2024-08-05	Mark	Jobo	Consecutive, Disjoint Groups, Incomplete Clues, Parity Lines, Thermo, XV	A Very Late Alarm Call	00:37:25	38 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!	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	00:53:12	54 min
6164	Tic-Tac-Torque	2024-07-11	Mark	Skeptical Mario	German Whispers, Inequality, Sums, XV	This Guy is all Torque!	00:46:33	47 min
6142	TDF Stage 1	2024-07-04	Mark	palpot	Consecutive, Dutch Whispers, German Whispers, Miscellaneous, N-Lines, Parity Lines, XV	Achieving a Stage Victory	00:51:57	52 min
6119	Hot and Cold	2024-06-27	Mark	Empty Claw	Negators, Thermo, XV	Getting Warmer ... Very Hot Now!	00:30:15	31 min
6112	Sumarku	2024-06-25	Mark	Catmandoku	Dutch Whispers, German Whispers, Polarity, Quadruple, Renban, XV	Two personalised puzzles!	00:25:38	26 min
6089	That’s All the X’s	2024-06-18	Mark	rockratzero	Diagonal, Killer, Renban, XV	Save all your Kisses for me ... Maybe	00:28:51	29 min
6073	Squaring the Squircles	2024-06-13	Mark	Patrik Repo	Cipher, Exponents, Palindrome, Ratio, Sums, Thermo, XV	These Circles are Definitely Squared!	01:25:50	86 min
6058	Oopsy	2024-06-08	Mark	ArchieG	Anti-XV, Repeat Digits, Sums, XV	Oops ... I Did it Again!	00:32:41	33 min
6011	Diagonal Snakes	2024-05-25	Mark	MonkeyApprentice	Diagonal, Kropki, O/E, Pathway, Polarity, XV	Mercy Snakes Alive!	00:22:24	23 min
6004	Manifold	2024-05-23	Mark	Oddlyeven	0-8 Digits, Arrow, Consecutive, XV	Something Important about Arrow Sudoku ...	00:39:43	40 min
5986	Treasure Map	2024-05-17	Mark	Biscuit	Anti-XV, Arrow, Dutch Whispers, Region Sum Lines, XV	Lightly Buried Treasure!	00:18:07	19 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!	00:45:10	46 min
5975	Tenet	2024-05-14	Mark	Jazzora	Consecutive, Diagonal, Extra Regions, O/E, Ratio, XV	Some Super Smashing Symmetry!	00:29:53	30 min
5969	MOM DAY	2024-05-12	Mark	Kennet's Dad	Arrow, Between Lines, Entropic Lines, German Whispers, Kropki, Region Sum Lines, Renban, XV	For all the Moms ... Sudoku!	00:41:09	42 min
5955	Pseudo Cluedo	2024-05-08	Mark	Marty Sears	Digit Restriction, German Whispers, Killer, Modifier Cells, Nabner, O/E, Palindrome, Pathway, Region Sum Lines, Slow Thermo, XV, Zipper Lines	Use Cluedoku Skills to Find the Killer!	00:52:42	53 min
5908	Distorted Harmony	2024-04-23	Mark	Amin Khalek	Doublers, German Whispers, Kropki, XV	Spectral Distortions	00:49:26	50 min
5865	Attack of the Clones	2024-04-10	Mark	Olof Helleblad Johnson	Clone, Diagonal, XV	Here Come the Clones!	00:29:00	29 min
5762	A Tight Spot	2024-03-09	Mark	Tundra Lava	Between Lines, XV	Getting out of A Tight Spot	00:25:12	26 min
5739	Wayfinder	2024-03-02	Mark	Nordy	Arrow, XV	Finding the Way into a Sudoku	00:25:33	26 min
5716	Dominoes Apartment	2024-02-24	Mark	Halen Mackenzie	8x8, Kropki, XV	A VERY Approachable 8x8 Sudoku - Try it! You can do it ...	00:13:43	14 min
5697	XV Binairo	2024-02-18	Mark	Panthera	Binairo, O/E, Thermo, XV	One of the Strangest Colouring Puzzles You'll See	00:28:54	29 min
5651	First Thriller	2024-02-04	Mark	Rohit Jangid	Killer, Thermo, XV	VERY Approachable Variant Sudoku	00:15:40	16 min
5631	Negative Gifts	2024-01-29	Mark	Patrick Junke	Anti-XV, Connected Region, Consecutive, Irregular, Non-Consecutive, XV	A Crazy Sudoku Labyrinth	00:54:36	55 min
5622	Inner Circles	2024-01-26	Mark	Michael Lefkowitz	Fog, Incomplete Clues, Kropki, XV	Some Remarkable Inner Circles	00:41:55	42 min
5605	Intersections	2024-01-21	Mark	James Kopp	German Whispers, Region Sum Lines, Thermo, XV	When Worlds of Blue & Green Collide ...	00:58:53	59 min
5588	Highly Counterintuitive	2024-01-17	Mark	Jaze	Anti-Knight, Arrow, German Whispers, Kropki, Repeat Digits, XV	Sometimes ... Normal sudoku rules do not apply!	00:19:40	20 min
5576	2x Cages for the Price of 1	2024-01-13	Mark	NurglesGift	Incomplete Clues, Killer, Ratio, Thermo, XV	The Gift of Elegant Variant Sudoku	00:24:13	25 min
5566	Dots and Blocks!	2024-01-10	Mark	Halen Mackenzie	Kropki, XV	A Very Approachable Intro to Domino Sudoku	00:17:48	18 min
5553	Golden Arrows	2024-01-06	Mark	Razor	Arrow, Consecutive, Nabner, XV	A Very Approachable Intro to Nabner Lines	00:18:12	19 min
5543	Triple Threat	2024-01-03	Mark	James Kopp	Little Killer, Look-and-Say, Multitask Clues, Sandwich, XV	Clues that perform THREE Functions - Amazing!	00:57:58	58 min
5465	Welcome to Secondary School	2023-12-11	Mark	Flipsen	Anti-Knight, Arrow, Fog, Kropki, Primes, XV	Improve your Secondary Education	00:52:58	53 min
5428	Unique Arrow Sandwiches	2023-11-30	Mark	Tulrak	Arrow, Fog, Sandwich, Unique Sums, XV	The Fog in this Sudoku is Fair - But Tricky!	00:55:50	56 min
5352	VeliX	2023-11-11	Mark	Felix	Ratio, Thermo, XV	"Happy" Days are Here Again	00:31:21	32 min
5306	Lone Hut	2023-10-31	Mark	Black_Doom	Nabner, Renban, XV	Solving Sudoku in a Lonely Hut	00:38:34	39 min
5285	Equilibrium 2	2023-10-26	Mark	GemmaOane	Gemma Lines, Region Sum Lines, XV	The Newest Sudoku Line Invented?	00:39:38	40 min
5282	Ferris Wheel	2023-10-25	Mark	Jobo	Between Lines, Consecutive, German Whispers, Renban, Thermo, XV	All Aboard the Ferris Wheel	00:32:56	33 min
5133	Pi V Squared Snake	2023-09-20	Mark	Tulrak	Anti-XV, Killer, Little Killer, Pathway, XV	The Snake that Solves Geometry	00:20:16	21 min
4974	Neapolitan	2023-08-11	Mark	pieguy	Anti-Knight, Kropki, XV	One of the Best and Purest Domino Sudokus Ever	00:42:54	43 min
4913	Question Everything	2023-07-27	Mark	James Sinclair	Anti-XV, Killer, O/E, Thermo, XV	Why you must Question Everything	00:19:00	19 min