ctc-catalogue: not_gas_puzzles: 182 rows where Constraints contains "Ambiguous Clues" sorted by Id descending

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

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

182 rows where Constraints contains "Ambiguous Clues" sorted by Id descending

descending

Id ▲	Puzzle Title	Date	Solver	Setter	Constraints	Video	Video Length	Video Length (Minutes)
7818	Dizzy Dancing	2025-11-11	Mark	Jacob Kadar	Ambiguous Clues, Anti-King, Diagonal, Doublers, Halvers, Killer, O/E	Unnecessary Mental Dizziness!	00:27:27	28 min
7762	The Archer's Dozen	2025-10-26	Mark	Bartok_the_Magnificent	Ambiguous Clues, German Whispers, O/E, Slow Thermo	This Sudoku = Mind: Blown!	00:47:28	48 min
7649	Caged Clones	2025-09-23	Simon	RockyRoer	Ambiguous Clues, Clone, Equal Sums, Kropki	The Return Of A Sudoku Master	00:56:10	57 min
7549	CTC Country Club	2025-08-27	Mark	Dali	Ambiguous Clues, Arrow, Consecutive, German Whispers, Incomplete Clues, Multitask Clues, Renban, Thermo	Which is More Fun? Golf, Sudoku ... or Both!	01:33:06	94 min
7486	Red + Blue = Purple	2025-08-09	Simon	Kaktuslav	Ambiguous Clues, Multitask Clues, Parity Lines, Region Sum Lines, Renban, Yin-Yang	Is This Phistomefel In Disguise???!	01:14:58	75 min
7471	Los Tres Amigos	2025-08-04	Mark	Blobz	Ambiguous Clues, Entropic Lines, Extra Regions, German Whispers, Killer, Pencilmarks, Region Sum Lines	How can we tell The Three Amigos apart?	00:28:35	29 min
7423	Two Out of Three Ain't Bad	2025-07-22	Simon	FullDeck, Missing a Few Cards	Ambiguous Clues, Entropic Lines, Killer, Modular Lines, Multitask Clues, Parity Lines	The Maths Professors' Sudoku Challenge	01:24:36	85 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
7280	Treasury Island	2025-06-08	Mark	SUDOOOOOKUfan87	Ambiguous Clues, Killer, Nurikabe, XV	Can you Find Treasury Island?	00:45:53	46 min
7126	Kurodoku	2025-04-25	Simon	Malcolm Coleman, yttrio	Ambiguous Clues, Chaos Construction, German Whispers, Kuroclone, Renban	Absolutely Insane. In The Best Possible Way!	01:47:45	108 min
7089	One of the Two	2025-04-18	Mark	oskode	Ambiguous Clues, Arrow, Between Lines, Diagonal, Double Arrow, German Whispers, Killer, Look-and-Say, Modular Lines, Palindrome, Region Sum Lines, Thermo	The Face of a Confused Person	01:07:05	68 min
7075	Ambiguity	2025-04-14	Mark	James Kopp	Ambiguous Clues, Region Sum Lines, Renban, X-Sums	The Ambiguity of a Face in the Sudoku Grid!	00:36:17	37 min
7001	Sigma or Pi	2025-03-22	Mark	Sudokun	Ambiguous Clues, Killer, Multiplication	Does Pi Have this Mathematical Meaning?	00:37:25	38 min
6953	Sandwich Additives	2025-03-07	Mark	DiMono	Ambiguous Clues, Sandwich, X-Sums	You Have to Find your own Sandwiches!	00:51:11	52 min
6793	Two Truths and a Truth	2025-01-18	Simon	ChinStrap	Ambiguous Clues, Index Lines, Thermo	Two Truths And... Another Truth!	00:59:49	60 min
6607	ABENNR	2024-11-23	Mark	FullDeck, Missing a Few Cards	Ambiguous Clues, Kropki, Nabner, O/E, Renban	The Lines that CONCEAL their IDENTITY!	00:42:40	43 min
6560	The Unfrayed Modified German Whisper Loop	2024-11-09	Mark	Kyle McCormick	Ambiguous Clues, German Whispers, Neighbour Sums	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	00:47:14	48 min
6318	Copycat Confusion	2024-08-29	Simon	Phistomefel	Ambiguous Clues, Average Arrow, Copycat, German Whispers, Region Sum Lines, Thermo	Phistomefel Breaks Our Brains	01:22:54	83 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
6145	I Heard You Like Cages	2024-07-05	Simon	Justin Vitanza	Ambiguous Clues, Killer, Look-and-Say	I Heard You Like Cages!	00:40:14	41 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	01:30:43	91 min
6030	Zippery When Wet	2024-05-31	Simon	Marty Sears	Ambiguous Clues, Entropic Lines, German Whispers, Multitask Clues, Nabner, Palindrome, Parity Lines, Region Sum Lines, Renban, Same Difference Lines, Yin-Yang, Zipper Lines	Zippery When Wet by Marty Sears: A Sudoku Masterpiece	01:24:45	85 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!	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!	00:45:10	46 min
5845	Polar Foil	2024-04-04	Simon	James Sinclair	Ambiguous Clues, Chess, Deconstruction, Liar, Loop, Nabner, O/E, Region Sum Lines, Renban, Thermo	Why Are We Doing A Puzzle With a 2% Approval Rating?!	00:52:35	53 min
5793	Counting Castles	2024-03-19	Simon	Marty Sears	Adjacency, Ambiguous Clues, Chaos Construction, Counting Sets, Ratio, XV	The Most Powerful Kingdom In Sudoku	01:36:06	97 min
5782	Segue Ursa	2024-03-15	Mark	Dorlir	Ambiguous Clues, Count, Difference, Region Sum Lines, Spiral Galaxies	One Galaxy to Rule them All	01:03:30	64 min
5781	P = NP	2024-03-15	Simon	damasosos92	Ambiguous Clues, Incomplete Clues, Renban, Thermo	The Sudoku Proof That P=NP	00:52:41	53 min
5648	All the Dots Are Brown	2024-02-03	Mark	gdc	Ambiguous Clues, Fog, Kropki	Brown Dots Don't BELONG in a Sudoku ...	00:24:54	25 min
5633	Setter's Day Off	2024-01-30	Simon	Michael Lefkowitz	Ambiguous Clues, Arrow, Chess, German Whispers, Incomplete Clues, Pencilmarks, Thermo, Zipper Lines	I created this sudoku puzzle. Why did this other guy sign it?	01:24:11	85 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!	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	00:47:31	48 min
5461	Everything in Its Right Place	2023-12-10	Simon	Marty Sears	Ambiguous Clues, Counting Sets, Entropic Lines, German Whispers, Killer, Multitask Clues, Pathway, Slow Thermo, XV	How Can This Sudoku Be Real?	01:19:47	80 min
5408	String Quartet	2023-11-24	Simon	IcyFruit	Ambiguous Clues, German Whispers, Palindrome, Region Building, Region Sum Lines, Renban	The New Phistomefel?	01:33:03	94 min
5233	HI REN	2023-10-13	Mark	Sergey Crane	Ambiguous Clues, Arrow, German Whispers, Kropki, O/E	The Sick Boi, in Sudoku Form	00:29:14	30 min
5132	Secrets and Lines	2023-09-20	Simon	starwarigami	Ambiguous Clues, Anti-Factor Lines, German Whispers, Renban	How To Blow Your Own Mind	01:34:08	95 min
4873	Ancient Artifacts	2023-07-17	Simon	Scojo	Ambiguous Clues, Fog, German Whispers, Kropki, Region Sum Lines, Renban	Don't CHEAT To Solve This Puzzle!	00:54:04	55 min
4760	DIY Arrows	2023-06-19	Simon	sophmayrob	Ambiguous Clues, Anti-Knight, Arrow, Incomplete Clues, Kropki	One Of The Best Debuts Ever	01:32:57	93 min
4728	Austrian Heat	2023-06-11	Mark	Palfly Kampling	Ambiguous Clues, German Whispers, O/E, Thermo	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?	00:47:07	48 min
4563	Which Line Is It Anyway?	2023-04-30	Simon	Marty Sears	Ambiguous Clues, German Whispers, Palindrome, Parity Lines, Region Sum Lines, Renban, Sum Pairs, Thermo	Which Line Is It Anyway?!	00:49:37	50 min
4516	Just Sum Ambiguity	2023-04-20	Simon	SSGranor	Ambiguous Clues, Entropic Lines, Modular Lines, Region Sum Lines	A Sudoku With Only Four Given Lines	00:51:53	52 min
4411	Temperature Inversion	2023-03-24	Mark	Die Hard	Ambiguous Clues, Anti-King, Diagonal, Inequality, O/E, Sums, Thermo	Juggling with Thermometers	00:33:30	34 min
4196	40 or 40?	2023-01-30	Mark	dumediat	Ambiguous Clues, Kropki, Sandwich, X-Sums	Doomed to Turn 40?	00:23:03	24 min
4129	De Stijl	2023-01-13	Mark	Nordy	Ambiguous Clues, Kropki	Neo-Plastic Sudoku	00:39:33	40 min
4096	Coordinated Killers	2023-01-05	Simon	Samish	Ambiguous Clues, Indexing, Killer	The Sudoku Secret DOESN'T WORK	01:06:09	67 min
4089	Castle Woku	2023-01-03	Simon	Wessel Strijkstra	Ambiguous Clues, Castle Wall, Sums	The Best Way To Build A Castle	01:20:32	81 min
4083	A Mid Sum-mer's Christmas	2023-01-01	Simon	Charlie Pugh	Ambiguous Clues, Anti-King, Arrow, Region Sum Lines, Sum Pairs	Secret Santa: Sudoku Style!	00:53:40	54 min
4064	Shortsighted X-Sums Sudoku	2022-12-27	Mark	Sed Holaysan	Ambiguous Clues, X-Sums	The Best Gifts Can't be Bought	00:33:03	34 min
4056	Antimatter	2022-12-26	Simon	Nahileon	Ambiguous Clues, Diagonal, German Whispers, Renban	You've Been Asking For This Puzzle So "Happy Xmas"!	01:30:03	91 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!	00:48:31	49 min
3999	Kropki's Revenge	2022-12-11	Mark	metagloria	Ambiguous Clues, Kropki	Revenge of the Dots	00:28:27	29 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	00:33:46	34 min
3752	What Do Killers Eat?	2022-10-11	Simon	RockyRoer	Ambiguous Clues, Killer, Sandwich	Can You Solve The Impossible Sudoku?	01:17:50	78 min
3579	City Planning	2022-08-29	Mark	Auul	Ambiguous Clues, Numbered Rooms, Skyscraper	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 ...	00:33:43	34 min
3548	178	2022-08-22	Simon	Gliperal	Ambiguous Clues, Little Killer	The Most ASTONISHING Sudoku Ever?	00:25:36	26 min
3489	Look, Don't Kill	2022-08-07	Simon	Derek Orr	Ambiguous Clues, Arrow, Killer, Look-and-Say, Thermo	How To Confuse A YouTuber!	00:49:51	50 min
3470	Same but Different	2022-08-02	Mark	Marvin Kannhauser	Ambiguous Clues, Little Killer, Sandwich, X-Sums	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?	00:51:11	52 min
3431	Trisection	2022-07-24	Simon	Julien Smith-Roberge	Ambiguous Clues, Killer, Little Killer, XV	Can You Complete The Trisection?	00:56:01	57 min
3412	Sum Addition Required	2022-07-19	Mark	Go Easy!	Ambiguous Clues, Arrow, Killer, Little Killer, Thermo	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	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	00:35:14	36 min
3284	DAD	2022-06-19	Mark	PrimeWeasel	Ambiguous Clues, Difference, Extra Regions, Killer, Sums	The Daddy of All Sudokus	00:22:48	23 min
3220	X-ception	2022-06-06	Simon	Nahileon	Ambiguous Clues, Diagonal, X-Sums	The X. A New Miracle Sudoku	00:45:29	46 min
3203	Tetrakiller	2022-06-03	Simon	Jay Dyer	Ambiguous Clues, Killer	A Sudoku With Only 4 Totals?!	01:03:27	64 min
3198	Suicide Squad	2022-06-02	Mark	starwarigami	Ambiguous Clues, Killer	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	00:35:56	36 min
3185	High Voltage	2022-05-30	Simon	Florian Wortmann	Ambiguous Clues, German Whispers, Renban, Thermo	The Emperor's Sudoku	00:45:35	46 min
3170	Chaotic Archery	2022-05-27	Simon	Mr.Menace	Ambiguous Clues, Arrow, Chaos Construction	Time To Test Your Sudoku Skills!	01:19:46	80 min
3150	Progress	2022-05-23	Simon	Gray Kanarek	Ambiguous Clues, Killer, Ratio	Measure Your Sudoku Progress	00:37:24	38 min
3125	Archery Target	2022-05-18	Simon	Nahileon	Ambiguous Clues, Sums, Thermo	The Masterpiece	01:37:42	98 min
3100	Michael Palin	2022-05-11	Simon	starwarigami	Ambiguous Clues, Killer, Palindrome	Nobody Expects The Sudoku Inquisition!	00:47:26	48 min
3053	Time to Think Outside the Box	2022-04-30	Simon	JeremyDover, Sergey Crane	Ambiguous Clues, Entropic Lines, Kropki, Renban	Time To Think Outside The Box	00:39:27	40 min
3010	X-Digit-Sums	2022-04-20	Mark	Christian Scherer	Ambiguous Clues, Killer, X-Digit-Sums	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	00:24:49	25 min
2977	If 6 Was 9	2022-04-12	Simon	Scruffamudda	Ambiguous Clues, Consecutive, Killer	The 69 Sudoku	00:29:52	30 min
2950	X-Sums & Sandwiches	2022-04-05	Simon	Emre Kolotoğlu	Ambiguous Clues, X-Sums	The Ultimate Miracle Sudoku	01:27:40	88 min
2937	Dynamic Dots	2022-04-02	Mark	Orhun Yüksel	Ambiguous Clues, Kropki, XV	One of the Most Dynamic Puzzles Ever	00:44:51	45 min
2897	German Whisper Cages	2022-03-23	Simon	Emre Kolotoğlu	Ambiguous Clues, German Whispers, Killer	One Of The Best Puzzles I've Ever Solved	01:21:32	82 min
2895	Twenty-Four and What?	2022-03-22	Mark	AndreasV	Ambiguous Clues, Group Sums	What Is the Magic Number?	00:22:54	23 min
2808	Four-Fifty	2022-03-02	Simon	WombatBreath	Ambiguous Clues, Cipher, Extra Regions, Killer	A Puzzle To Celebrate 450,000 Subscribers	00:39:19	40 min
2778	Build Your Own Region Sums	2022-02-21	Simon	Jay Dyer	Ambiguous Clues, Region Sum Lines	The Cleverest Dot-To-Dot Puzzle Ever	01:04:51	65 min
2772	Mystery Killer N	2022-02-20	Simon	FinnishGuy	Ambiguous Clues, Killer, Kropki, Little Killer	If You Can Get One Digit, You'll Get All Of Them!	00:44:36	45 min
2769	Which Direction?	2022-02-18	Mark	Lisztes	Ambiguous Clues, Killer, Kropki, Little Killer	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!	00:57:56	58 min
2650	Schrödinger's Killer	2022-01-09	Simon	starwarigami	Ambiguous Clues, Killer, Zeroes	Schrödinger's Cat Has 0 to 9 Lives!	00:50:40	51 min
2634	hny 2022	2022-01-03	Mark	WombatBreath	Ambiguous Clues, Killer, Kropki	2022 - This is the year of Sudoku	00:22:26	23 min
2616	A Very Odd Killer	2021-12-30	Simon	Orhun Yüksel	Ambiguous Clues, Killer, Little Killer, O/E	Is This Sudoku Man Quite Mad?	00:58:50	59 min
2526	WL SP 2.27.22	2021-12-05	Mark	Andypip88	Ambiguous Clues, Killer, Little Killer, Thermo	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?	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?	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	00:29:12	30 min
2349	The Sailboat	2021-10-11	Simon	Tom1i	Ambiguous Clues, Killer, Sandwich	Sailing To The Sudoku Olympic Gold	00:43:39	44 min
2337	Sunflower	2021-10-07	Simon	RockyRoer	Ambiguous Clues, Anti-Knight, Killer, Kropki	The Sudoku With Zero Given Digits	01:11:17	72 min
2307	Squares and Circles	2021-09-28	Simon	Burning Curtains	Ambiguous Clues, Consecutive, Killer, Sums, Zeroes	Our Guarantee: You Will Be Absolutely Stunned By This Puzzle	01:16:19	77 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	00:37:11	38 min