ctc-catalogue: sudoku_puzzles: 368 rows where Constraints contains "Sums" sorted by Id descending

Sudoku puzzle-solving videos from CTC.

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

368 rows where Constraints contains "Sums" sorted by Id descending

descending

Id ▲	Puzzle Title	Date	Solver	Setter	Constraints	Video	Video Length	Video Length (Minutes)
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
9152	Sunrise, Sunset	2026-09-20	Mark	heliopolix	Ambiguous Values, Sums	Touching Moments at Sunrise and Sunset	00:59:00	59 min
9147	Casino Royale	2026-09-19	Simon	Michael Lefkowitz	Indexing, O/E, Skyscraper, Sums	The Miracle Sudoku Of The Year!	00:50:40	51 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
9126	Thanks Testers	2026-09-14	Mark	99%Sneaky	Dutch Whispers, Entropic Lines, Renban, Sums	Thanks to All Testers!	00:38:37	39 min
9094	Lupin's Loop 7 - Where It All Began	2026-09-07	Simon	Rab3aron	Consecutive, Count, Difference, Killer, Parity Lines, Pathway, Region Building, Sums	The Hardest Puzzle We've Ever Attempted? Perhaps!	03:57:46	238 min
9071	Base 2	2026-09-02	Simon	Hanks	0-8 Digits, Arrow, Exponents, Fog, German Whispers, Kropki, Modifier Cells, Region Sum Lines, Sums, XV	Can A Sudoku Teach You Interesting Maths?	01:13:34	74 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
9026	Partial Credit	2026-08-22	Mark	Kusane	Sums	Can I Please Get Partial Credit?	00:39:14	40 min
9012	Splitski 2	2026-08-19	Mark	WEBthe3rd	Kropki, Sums	Split right down the middle	00:28:47	29 min
8979	Accumulator	2026-08-12	Simon	Marty Sears	6x6, Kropki, Pathway, Sums	I LOVE This "Easy" Puzzle!	00:39:12	40 min
8971	Summetry	2026-08-10	Simon	Kaktuslav	Multiplication, Sums, Symmetry, Yin-Yang	One Of The CLEVEREST Puzzles Of The Year.	01:32:39	93 min
8966	Ratio Lines - Dynamic Fog	2026-08-09	Simon	Jonesy	Consecutive, Fog, O/E, Sums	A Colourful Fog Sudoku Treat	01:00:04	61 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
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
8913	Kin-Kon-Kan Sudoku	2026-07-28	Simon	Gliperal	Reflectors, Sums	Is This The World's Scariest Puzzle Setter?	01:40:48	101 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
8890	Ten to N	2026-07-23	Simon	Marty Sears	Indexing, Ratio, Sums	Out Of 10, How Good Is This Sudoku?	00:36:27	37 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
8839	A Longer Snake in the Grass	2026-07-11	Simon	Marty Sears	Ambiguous Clues, Kropki, Pathway, Quadruple, Sequence, Sums	The Rat And Cupcake Are Invisible!! Marty's Incredible Sudoku Snake	01:23:19	84 min
8835	A Bouquet of Complements	2026-07-10	Simon	RockyRoer	Consecutive, Fog, German Whispers, Killer, Modular Lines, Renban, Sums	Maths Homework Has Never Been More Fun!	00:38:30	39 min
8826	Reciprocals	2026-07-08	Simon	Kaktuslav	Fog, Modifier Cells, Multiplication, Sums, Yin-Yang	God-Tier Fog Sudoku Makes My Brain Hurt!	01:25:20	86 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
8803	One and Only	2026-07-03	Simon	PrissyP	Fog, Little Killer, Multiplication, Non-Repeat, Renban, Sums, Unknown Values	The One And Only Fog Sudoku!	00:44:56	45 min
8759	Reborn Hooligan Ghost	2026-06-23	Mark	Lithium-Ion	Adjacency, Sums	Brilliant Grid Simplicity	00:46:13	47 min
8703	SVS 470 - Harmonious Thermos	2026-06-11	Mark	Richard Stolk	Factors, Multitask Clues, Sums, Thermo	470 Great Ideas for a Puzzle ... ?	00:30:30	31 min
8699	Mistyped	2026-06-10	Mark	Gabriel Kammer	Incomplete Clues, Liar, Sums	When Errors are Acceptable in Sudoku	00:48:51	49 min
8662	20 Almost Balanced Lines	2026-06-02	Simon	RockyRoer	O/E, Sums	One Of The All-Time Great Sudokus.	01:00:57	61 min
8548	Let's Sausage!	2026-05-09	Simon	Scojo	Difference, Sums	Just What Is "Sausage Sudoku"??!	00:38:48	39 min
8535	Hotspots	2026-05-06	Mark	Ryan W.	Adjacency, Digit Restriction, Sums	A Lovely New Ruleset - It REALLY Works!	00:41:37	42 min
8530	This Is Sparta!	2026-05-05	Simon	Nicolas Duhail	Modular Lines, Multiplication, Sums	THIS IS SUDOKU SPARTA!	00:48:16	49 min
8518	Killer Whispers	2026-05-02	Mark	David Storrs	German Whispers, Multitask Clues, Sums	Is that a Ring I see Before Me?	00:37:13	38 min
8489	Douro	2026-04-26	Simon	Xenonetix	Fog, German Whispers, Pathway, Sums	Find The River Through The Sudoku Fog	00:58:57	59 min
8482	Square Pairs	2026-04-24	Mark	Derek LeClair	Exponents, Sums	These Pairs are so Square!	00:27:47	28 min
8449	Rectangle Sums	2026-04-17	Simon	FIT7Y	Incomplete Clues, Sums	Rectangle Sums: A Wonderful New Sudoku Rule	01:30:09	91 min
8439	RAT RUN 34: On Reflection	2026-04-15	Simon	Marty Sears	Difference, O/E, Pathway, Polarity, Ratio, Sums, Symmetry	A Death In Sudoku? Rat Run 34: On Reflection (S3:E14)	01:19:27	80 min
8367	The X and the V Squared: Anniversary Edition	2026-03-30	Simon	.proxz14	Anti-Knight, Sums, XV	How Have We Not Seen This Sudoku Rule Before?!	01:03:35	64 min
8364	Archipelago	2026-03-29	Mark	Lithium-Ion	Count, Multiplication, Nurikabe, Sums	The Beautiful Islands of Sudoku!	00:29:40	30 min
8300	Dutch Flat Mates: Split Ends	2026-03-15	Simon	Marty Sears	Dutch Flat Mates, Sums	Just About Everybody Loves This Sudoku!!	00:49:50	50 min
8248	Triple Threeat	2026-03-03	Mark	FIT7Y	Repeat Digits, Sums	A Real Feast of Threes!	01:05:43	66 min
8170	Split Ends	2026-02-14	Simon	Marty Sears	Sums	Why Is "11x + 2y" A Sudoku Secret?!	01:01:33	62 min
8160	RAT RUN 25: Mod Cons	2026-02-12	Simon	Marty Sears	Inequality, Modular Lines, Pathway, Ratio, Sums, Sweeper	How Can A Sudoku Maze Do This?!! Rat Run 25! (S3:E5)	01:19:17	80 min
8139	Field of View	2026-02-07	Simon	Matt Tressel	Inequality, Sums	This New Sudoku Rule Is SO Fun!	00:47:30	48 min
8093	Modular Mayhem	2026-01-26	Mark	RandyDan	Factors, German Whispers, Renban, Sums	Modular Mayhem	01:24:02	85 min
8092	Stickiest Notes	2026-01-26	Simon	James Sinclair	Chaos Construction, Sums	Colouring Your Sudoku Has Never Been So Fun!	01:18:27	79 min
8067	Consecutive Constraint	2026-01-19	Mark	Daniel Buckeldee	Consecutive, Sums	Only five given digits - and five given cages!	00:37:52	38 min
8064	Grid Racer	2026-01-18	Mark	Jonesy	Loop, O/E, Sums	Racing all around the Grid ... wow!	01:03:50	64 min
8047	SVS 454 - Little Thermometers	2026-01-13	Mark	Richard Stolk	Incomplete Clues, Sums, Thermo	The Sudoku Variants just keep on Coming!	00:27:17	28 min
7969	Key Performance Parameters	2025-12-23	Mark	NotThatItMatters	Diagonal, Exponents, Primes, Sums	How is Your Sudoku Performance?	01:07:50	68 min
7962	Go Forth and Multiply	2025-12-21	Mark	Nightmare2805	Consecutive, Factors, Fog, Multiplication, Primes, Sums	Go Forth, Do Some Multiplication!	00:31:24	32 min
7956	Rip City	2025-12-19	Mark	Merdock	Consecutive, Diagonal, Parity Lines, Sums	Pure Rotational Symmetry!	00:39:19	40 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	01:39:28	100 min
7920	Horseshoes	2025-12-09	Simon	Kaktuslav	Extra Regions, Sums	Is This Sudoku Impossible?	01:11:59	72 min
7905	Global Warming	2025-12-05	Simon	Br1312te	Entropy, Kropki, Sums, Thermo	Solve Global Warming!	01:10:14	71 min
7897	Decode Presented by RTX	2025-12-03	Mark	Yahya Alasady	German Whispers, Killer, O/E, Renban, Sums	The Sudoku Video with the Wrong Solution!	00:29:48	30 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
7876	Modular Cages	2025-11-27	Mark	RandyDan	Factors, German Whispers, Sums	Some Arithmetic Required ...	00:51:49	52 min
7841	Bread and Pie	2025-11-18	Simon	Myxo	Chaos Construction, Sandwich, Sums	This Just Should Not Work... (And Yet It Does!)	01:13:29	74 min
7834	9 x 9 = 81	2025-11-16	Simon	Aad van de Wetering	Sums	A Sudoku With Only 6 Given Digits	00:32:11	33 min
7813	Clapping on the 1 and 3	2025-11-10	Simon	Cristopher Moore	Anti-Knight, Repeat Digits, Sums	What Happens In This Sudoku Solve Won't Happen Ever Again!	01:02:01	63 min
7812	Two-Tone Totals	2025-11-10	Anna, Simon	Marty Sears	Ratio, Sums, XV, Yin-Yang	A Viewer Solves Sudoku With Simon: Episode 9	00:51:57	52 min
7809	Think Inside the...	2025-11-09	Simon	Kennet's Dad	Anti-XV, Consecutive, Equal Sums, Fog, Modular Lines, Non-Repeat, Renban, Sums, Zipper Lines	The Lowest Rating But Could This Be 'Sudoku Of The Year'?	01:24:22	85 min
7806	Chaos Construc-to-N	2025-11-08	Simon	mellowrobinson	Chaos Construction, Sums	Can YOU Count To N?	01:20:13	81 min
7792	Shambhala	2025-11-04	Simon	IcyFruit	Count, Extra Regions, Shading, Sums	The Hardest Sudoku Maker In The World Vs Our Expert (3h45m)	03:44:54	225 min
7745	Creatures in the Dynamic Fog	2025-10-21	Simon	Br1312te	Adjacency, Anti-Knight, Extra Regions, Fog, Indexing, Min/Max, O/E, Sums	How Easy Is This Fog Sudoku?	00:52:12	53 min
7736	Sum Assembly Required	2025-10-18	Mark	Jonesy	Arrow, Sums	Don't Miss this "Exceptional" Puzzle	00:45:40	46 min
7723	Matryoshka Snova	2025-10-14	Mark	Timotab	Sandwich, Sums	Double Sandwich Sudoku	00:47:17	48 min
7714	Double Dippin' Dots	2025-10-12	Simon	MathGuy_12	Clone, Sums	A Most Extraordinary Sudoku Idea	00:43:32	44 min
7609	Pokerface	2025-09-13	Mark	Villse	Poker, Sums	Where Poker and Sudoku Meet!	00:40:37	41 min
7602	Double the Fun	2025-09-11	Mark	Lithium-Ion	Diagonal, Primes, Ratio, Sums, Sweeper	Double the Length of our normal Fun!	01:28:04	89 min
7575	Packing Problem	2025-09-04	Simon	Clover	Sums	Trust Me: Solve This Puzzle & You'll Never Forget It.	00:48:37	49 min
7572	Most Squares	2025-09-03	Simon	henter	Exponents, Sums	How Can This Sudoku Want To Exist??	00:59:47	60 min
7555	Can I Pet That Dog!?	2025-08-29	Simon	aqjhs	German Whispers, Loop, Sums, Sweeper	Marley & Simon: Take The Sudoku Dog For A Walk	00:57:05	58 min
7545	Sightline Sum Whisper Loop	2025-08-26	Simon	yttrio	German Whispers, Loop, Sums	The Sudoku Maker Who ALWAYS Delivers!	00:43:23	44 min
7514	8/9/1990	2025-08-16	Mark	shady moon	Ratio, Region Sum Lines, Sums	Putting your Heart and Soul into a Sudoku	00:42:29	43 min
7480	That's 3 in the Corners	2025-08-07	Mark	Lithium-Ion	Anti-King, Indexing, Sums	This Grid is Not Overstuffed with Clues!	00:45:27	46 min
7477	Crystallization of Arrows	2025-08-06	Mark	Will Power	Kropki, Multi-Digit Arrow, Sums	Crystallization of an Idea	00:28:29	29 min
7465	Sudocube	2025-08-02	Mark	BlueBirdBrokenLeg	Consecutive, Diagonal, German Whispers, Palindrome, Quadruple, Renban, Sums	Rubik's Cube, Meet Sudoku!	00:29:49	30 min
7448	Up to Something	2025-07-28	Mark	sujoyku	Arrow, Fog, Kropki, Sums	Up to my Neck in the Fog!	00:33:29	34 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
7394	Entwined	2025-07-13	Simon	Alaric Taqi A.	Entropic Lines, Index Lines, Multitask Clues, Sums	The 3 Lines: A Miracle Sudoku	00:46:04	47 min
7358	10 x10 = 100	2025-07-02	Simon	Aad van de Wetering	Sums	Aad's 100th Sudoku (And Only 3 Given Digits!)	01:06:40	67 min
7333	Oblique and Unique	2025-06-24	Mark	Blobz	Non-Repeat, Sums	This Guy is Unique and Oblique Himself!	00:54:25	55 min
7326	Fünfzehn	2025-06-22	Mark	Eric Bader	Consecutive, German Whispers, Sums	Poor pronunciation .... but a great solve	00:29:31	30 min
7322	Cloister	2025-06-21	Simon	Michael Lefkowitz	Chess, Fog, Sums	The Most Revealing Sudoku Digit Ever!	00:35:10	36 min
7299	Quincunx	2025-06-14	Mark	Freegerator	Arrow, Consecutive, Dutch Whispers, German Whispers, O/E, Sums	The Joys of the Quincunx	00:28:56	29 min
7295	Dutch Flat Mates: Pick-up Sticks	2025-06-13	Simon	Marty Sears	Dutch Flat Mates, Dutch Whispers, Entropic Lines, Fog, Inequality, Modular Lines, Parity Lines, Renban, Sums	Incredible New Sudoku Rule: Pick-Up Sticks!	00:52:59	53 min
7279	Cheryl's Sudoku	2025-06-08	Simon	Elytron	4x4, Mystery, Sums, Unknown Values	The Best 4x4 Sudoku Ever Made.	01:11:07	72 min
7274	Let's Go Camping!	2025-06-06	Mark	DhrAbel, Tey	Adjacency, Count, German Whispers, O/E, Sums	Sudoku on the Campsite	01:04:10	65 min
7273	Diamond Heist	2025-06-06	Simon	Marty Sears	Non-Repeat, O/E, Pathway, Sums	Your Mission: Solve This Sudoku In 45 Minutes...	00:34:08	35 min
7236	Thermomodness	2025-05-26	Mark	Keaton Asbach	Factors, Sums, Thermo	An Approachable Sudoku Exercise	00:31:07	32 min
7235	The Composite Thread	2025-05-26	Simon	palpot	Region Sum Lines, Renban, Sums	One Of The Best Puzzles This Year	00:39:50	40 min
7184	Internal X-Sum Yin Yang	2025-05-13	Simon	yttrio	Count, Sums, Yin-Yang	A 100% Rated Sudoku That's 'Smooth As Butter'!	00:56:35	57 min
7178	Quadrants	2025-05-11	Simon	Supware	Factors, Sums	The Sudoku With Nearly 7 Given Digits!	00:59:47	60 min
7172	Hungry Hungry Hippos	2025-05-09	Simon	Scojo	Consecutive, Counting Sets, Sums	Hungry Hungry Hippos Munch On Sudoku!	00:39:56	40 min
7166	Diagonal Drift	2025-05-07	Mark	DhrAbel	Arrow, Sums	Drifting along in a Sudoku Haze ...	00:43:34	44 min
7159	Foggy “Pair”-rows	2025-05-05	Mark	Visumation	Count, Deconstruction, Fog, Ratio, Sums	Construction in the Fog!	01:25:05	86 min
7155	Manta	2025-05-04	Simon	IcyFruit	Factors, Sums, Zipper Lines	IcyFruit's Sudokus Bring Tears To The Eyes	01:12:10	73 min
7101	The Only Killer	2025-04-21	Simon	Marty Sears	4x4, Counting Sets, Fog, Sums	16 Approachable 4x4 Sudokus In One Puzzle (by Marty Sears!!)	01:41:04	102 min
7061	Three Is a Crowd	2025-04-10	Simon	Dying Flutchman	Consecutive, Factors, Incomplete Clues, Killer, Sums	This Might Make You Feel Really DUMB!	01:25:21	86 min