✏️ Pencil Puzzles

Pencil puzzle-solving (excluding sudoku) videos from CTC.

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

314 rows sorted by Id descending

Type 94

Solver 3

Setter 129

Constraints 96

Id ▲ Puzzle Title Date Solver Type Setter Constraints Video Video Length
7896 Yin-Yang-Yong 2025-12-03 Simon Latin Square Marty Sears Count, Entropic Lines, German Whispers, Nabner, Non-Repeat, Region Building, Repeat Digits, Same Difference Lines, XV
Yin-Yang-Yong: YIKES!! [Marty Sears]
Yin-Yang-Yong: YIKES!! [Marty Sears]
 01:55:49
7890 Sudoku en rouge, jaune, bleu et noir 2025-12-01 Mark Miscellaneous Michael Lefkowitz  
Sudoku as a Work of Art
Sudoku as a Work of Art
 00:42:50
7758 Accounting Circles Tessellation 2025-10-25 Simon Tessellation ChinStrap Count, Extra Regions
When The Secret Of Sudoku Doesn't Work...
When The Secret Of Sudoku Doesn't Work...
 00:57:09
7728 Rank Up 20.jv - Mod 3 2025-10-16 Simon Latin Square Justin Vitanza 5x5, Full Rank, Modular Lines, Multitask Clues
The Miracle 5x5 Sudoku
The Miracle 5x5 Sudoku
 01:14:04
7725 Jigsaw 2025-10-15 Simon Latin Square Kaktuslav 7x7, Equal Sums
The World's Hardest Jigsaw.
The World's Hardest Jigsaw.
 01:11:55
7704 Full Rank Tessellation 2025-10-09 Simon Tessellation Michael Lefkowitz, ThePedallingPianist Full Rank
This "Sudoku" Is An Actual Miracle.
This "Sudoku" Is An Actual Miracle.
 01:07:36
7691 Hamiltonian Killer Thermo 2025-10-05 Simon Latin Square Kaktuslav Killer, Pathway, Sequence
One Of The Most Fun Puzzles For Months!
One Of The Most Fun Puzzles For Months!
 01:00:18
7688 Top Right Boi 2025-10-04 Simon Fillomino Shintaro Fushida-Hardy Miscellaneous
Each Shape Must Have A "Top Right" Cell!!
Each Shape Must Have A "Top Right" Cell!!
 00:53:54
7653 4x4?? 2025-09-24 Mark Latin Square mellowrobinson 8x8, Consecutive, Quadruple, Sums
Mellow Magic
Mellow Magic
 00:34:07
7648 Heyawake #7648 (Nikoli) 2025-09-23 Simon Heyawake Aqua Blue Classic
Nikoli's New Website
Nikoli's New Website
 00:27:42
7647 Masyu #7647 (Nikoli) 2025-09-23 Simon Masyu Ogawa Minori Classic
Nikoli's New Website
Nikoli's New Website
 00:27:42
7646 Nurikabe #7646 (Nikoli) 2025-09-23 Simon Nurikabe Asaokitan Classic
Nikoli's New Website
Nikoli's New Website
 00:27:42
7645 Numberlink #7645 (Nikoli) 2025-09-23 Simon Numberlink Pottsu Classic
Nikoli's New Website
Nikoli's New Website
 00:27:42
7644 Yajilin #7644 (Nikoli) 2025-09-23 Simon Yajilin Wanrouko Classic
Nikoli's New Website
Nikoli's New Website
 00:27:42
7643 Shikaku #7643 (Nikoli) 2025-09-23 Simon Shikaku Shuhiro Classic
Nikoli's New Website
Nikoli's New Website
 00:27:42
7642 Slitherlink #7642 (Nikoli) 2025-09-23 Simon Slitherlink Mynas4 Classic
Nikoli's New Website
Nikoli's New Website
 00:27:42
7629 The Popular Pond 2025-09-19 Simon Anglers 99% Sneaky  
The Puzzle Of "The Popular Pond"
The Puzzle Of "The Popular Pond"
 00:50:13
7624 Farm to Market 2025-09-18 Mark Latin Square   5x5, Linked Grids, Non-Repeat, Sums
An Agricultural Puzzle by Jane Street!
An Agricultural Puzzle by Jane Street!
 00:48:06
7476 Pro-Diagonal 2025-08-06 Simon Latin Square Justin Vitanza Anti-Knight, Counting Sets, Diagonal, O/E
How To Use A MAD Sudoku Technique
How To Use A MAD Sudoku Technique
 00:59:51
7431 Star Chart 2025-07-24 Mark Latin Square gdc 0-5 Digits, 6x6, Extra Regions, Zipper Lines
Absolutely Cosmic Sudoku!
Absolutely Cosmic Sudoku!
 01:03:34
7407 Spiraling Circles 2025-07-17 Simon Latin Square Pulsar Counting Sets
The Sudoku Discovery Of The Decade: The Sequel!!!
The Sudoku Discovery Of The Decade: The Sequel!!!
 00:21:40
7391 Zombie! 2025-07-12 Simon Araf Shintaro Fushida-Hardy Count, Yin-Yang
Zombie Logic Is HERE!
Zombie Logic Is HERE!
 01:18:13
7359 Give Me Five! 2025-07-02 Mark Latin Square Artham Extra Regions, Toroidal
Normal Sudoku Rules have been ignored!
Normal Sudoku Rules have been ignored!
 00:26:30
7285 The Wall 2025-06-10 Simon Latin Square Michael Lefkowitz Count, Inequality, Non-Repeat, Sums
The Wall: A Pink Floyd Sudoku Tribute
The Wall: A Pink Floyd Sudoku Tribute
 02:01:48
7216 Square of Squares 2025-05-20 Simon Latin Square Michael Lefkowitz Arrow, Disjoint Groups, Mean Mini, Nested Grids, Region Building
Is This A Sudoku? A New Discovery
Is This A Sudoku? A New Discovery
 01:11:23
7175 Fillomino Whispers 2025-05-10 Simon Fillomino Die Hard German Whispers, Indexing
The Miracle Fillomino
The Miracle Fillomino
 01:18:07
7139 Dueling Dragons 2025-04-29 Simon Latin Square IcyFruit Count, Extra Regions, Neighbour Sums, Primes, Region Building
The Hardest Sudoku Ever Just Got Even HARDER (4 Hours!!)
The Hardest Sudoku Ever Just Got Even HARDER (4 Hours!!)
 04:03:06
7134 9-Center Regions 2025-04-27 Mark Latin Square 邱言哲 Qiu Yan Zhe Digit Restriction, Non-Repeat
These AREN'T Normal Sudoku Rules!
These AREN'T Normal Sudoku Rules!
 00:36:35
7091 Nurikabe 2025-04-19 Simon Nurikabe Jakhob, wooferzfg Classic
7 Years After Sudoku Came THIS...
7 Years After Sudoku Came THIS...
 00:57:44
7022 Hoshihoshi 2025-03-29 Simon Norinori Nell Gwyn Star Battle
Hoshihoshi: When Norinori Met Star Battle!
Hoshihoshi: When Norinori Met Star Battle!
 00:34:43
6932 Fillomino Knights 2025-03-01 Simon Fillomino Die Hard Anti-Knight, Indexing, Ratio
Extreme Tetris!
Extreme Tetris!
 00:54:50
6909 Starmie 2025-02-22 Simon Masyu MaizeGator Star Battle
How Many Rinky-Dinks Will Solve This Puzzle?!
How Many Rinky-Dinks Will Solve This Puzzle?!
 00:47:14
6885 For a Few Circles More 2025-02-15 Simon Fillomino Skeptical Mario Counting Sets
For A Few Circles More!
For A Few Circles More!
 01:11:12
6862 Shiny 2025-02-08 Simon Cave MaizeGator Fillomino, Suguru
A Shiny Brand New Puzzle Ruleset!
A Shiny Brand New Puzzle Ruleset!
 01:13:53
6854 Connect 4 Draw 2025-02-06 Simon Latin Square Marty Sears 7x7, Count, Difference, O/E
Connect 4: SOLVED!
Connect 4: SOLVED!
 00:49:44
6815 Build It Yourself Suguru 2025-01-24 Mark Suguru Nicky R Inequality, Region Building
Can We Build it? ... Eventually
Can We Build it? ... Eventually
 00:47:35
6807 GameBoard 2025-01-22 Mark Latin Square Nicolas Spindler Renban
Normal Sudoku Rules are Broken!
Normal Sudoku Rules are Broken!
 00:31:16
6748 Foggy Fillomino 2025-01-04 Simon Fillomino Die Hard Fog, Indexing, Little Killer, Non-Repeat
My Puzzle Has Fog In It!!
My Puzzle Has Fog In It!!
 01:29:31
6726 Grundriss 2024-12-28 Simon Latin Square Jam Myxo Arrow, Renban, Thermo
It's Not Really Sudoku... Or Is It?!!?
It's Not Really Sudoku... Or Is It?!!?
 01:15:47
6655 Zodiac Project: Kyklos 2024-12-07 Simon Yajilin Shintaro Fushida-Hardy Non-Repeat, Sweeper
The Ring Of Logic: Kyklos
The Ring Of Logic: Kyklos
 01:04:00
6637 Queens #215 2024-12-02 Simon Queens Thomas Snyder  
Queens (on LinkedIn): How To Solve It
Queens (on LinkedIn): How To Solve It
 00:07:30
6631 A Fistful of Circles 2024-11-30 Simon Fillomino Skeptical Mario Counting Sets
It's A Jigsaw. But You Don't Know The Shapes Of The Pieces...
It's A Jigsaw. But You Don't Know The Shapes Of The Pieces...
 01:03:37
6606 Modular Fillomino 2024-11-23 Simon Fillomino Math Pesto Count, Loop, Modular Lines
A 100% Rated Puzzle; 5/5 Difficulty. Hold My Beer. (For 2 Hours...)
A 100% Rated Puzzle; 5/5 Difficulty. Hold My Beer. (For 2 Hours...)
 02:00:38
6581 One Up #200 2024-11-15 Mark One Up Rodolfo Kurchan  
A tricky example of ONE UP
A tricky example of ONE UP
 00:29:30
6559 Twilight Cave Fillomino 2024-11-09 Simon Fillomino Agent Cave, Sums
The Puzzle We DIDN'T Want To Solve... (We Were Wrong.)
The Puzzle We DIDN'T Want To Solve... (We Were Wrong.)
 01:01:24
6533 Habitat 67 2024-11-02 Simon Fillomino Shintaro Fushida-Hardy Dutch Flat Mates, Modulo
A Stunning Puzzle From The Reddit Master
A Stunning Puzzle From The Reddit Master
 01:10:36
6511 Allegory 2024-10-26 Simon Masyu Martin Bråten, dumediat Cave
Learn To Think In New Ways... With Puzzles!
Learn To Think In New Ways... With Puzzles!
 00:51:25
6487 Cave / Stations 2024-10-19 Simon Cave KNT Binairo, Loop
If You Don't Like Brilliant Puzzles, Don't Watch This.
If You Don't Like Brilliant Puzzles, Don't Watch This.
 01:46:26
6466 Kropki Chocona 2024-10-13 Mark Chocona PixelPlucker Kropki
The Puzzle that puts the Chocolate into Solving
The Puzzle that puts the Chocolate into Solving
 00:51:59
6462 Delray Beach Sunrise 2024-10-12 Simon Fillomino MaizeGator Count, Yin-Yang
"What A Beautiful, Beautiful Puzzle."
"What A Beautiful, Beautiful Puzzle."
 01:32:41
6439 Sum Fillomino 2024-10-05 Simon Fillomino AnalyticalNinja X-Sums
A Puzzle Poem In October...
A Puzzle Poem In October...
 01:19:06
6416 3 in 1 2024-09-28 Simon Fillomino Peter Veenis LITS, Multi-Stage, Star Battle
Three Puzzles In One 9x9 Grid
Three Puzzles In One 9x9 Grid
 00:44:53
6394 Meidjuizy 2024-09-21 Simon Meidjuluk Lizzy01 Count
The Magic You Can Do With The Factors Of 12
The Magic You Can Do With The Factors Of 12
 00:52:41
6371 Snake Egg 2024-09-14 Simon Snake Egg Serkan Yürekli Classic
Turkish Genius: Saturday Puzzle Series No.5
Turkish Genius: Saturday Puzzle Series No.5
 00:32:53
6349 Secret Fillomino 2024-09-07 Simon Fillomino Dorlir Non-Consecutive, Ratio
Math Professor Shares A Secret: Saturday Puzzle Series No.4
Math Professor Shares A Secret: Saturday Puzzle Series No.4
 00:26:36
6342 HöhlenSTIL 2024-09-05 Simon Cave Phistomefel LITS
Simon's Favourite Phistomefel?
Simon's Favourite Phistomefel?
 01:10:32
6326 Kurotto (Aqre) 2024-08-31 Simon Kurotto KNT Aqre
Don't Make 4 In A Row: Saturday Puzzle Series No.3
Don't Make 4 In A Row: Saturday Puzzle Series No.3
 01:07:47
6303 Fillominosaurus 2024-08-24 Simon Fillomino ThePedallingPianist Consecutive, German Whispers, Non-Repeat
The Fillominosaurus: Saturday Puzzle Series No.2
The Fillominosaurus: Saturday Puzzle Series No.2
 00:26:39
6281 Poseidon 2024-08-17 Simon Yin-Yang Shintaro Fushida-Hardy Count
New Saturday Puzzle Series: "Wait, That's No Sudoku!"
New Saturday Puzzle Series: "Wait, That's No Sudoku!"
 00:40:42
6190 LITS Battle 2024-07-19 Simon LITS Kyle McCormick Star Battle
The Return Of Star Battle!
The Return Of Star Battle!
 01:07:00
6124 One Up #100 2024-06-28 Mark One Up Rodolfo Kurchan  
One Up reaches One Hundred!
One Up reaches One Hundred!
 00:26:39
6123 One Up #99 2024-06-28 Mark One Up Rodolfo Kurchan  
One Up reaches One Hundred!
One Up reaches One Hundred!
 00:26:39
6057 Happy Birthday Simon! 2024-06-08 Simon Latin Square Peter Veenis 7x7, Killer, Little Killer, O/E, Polyominoes
Would You Wish THIS Man A Happy Birthday?
Would You Wish THIS Man A Happy Birthday?
 00:54:35
6046 Pentomino Yajilin 2024-06-05 Simon Yajilin KNT Polyominoes
One Of The Best Puzzle Finales Ever
One Of The Best Puzzle Finales Ever
 01:36:58
6040 Mystery Prime Cages 7x7 2024-06-03 Simon Latin Square Xenonetix 7x7, Primes, Unique Sums
Don't Repeat A Prime Number...
Don't Repeat A Prime Number...
 00:34:46
6010 Mystery Prime Cages 6x6 2024-05-25 Simon Latin Square Henk Nicolai 6x6, Primes, Unique Sums
Reddit Recommended This... AGAIN!
Reddit Recommended This... AGAIN!
 00:23:10
5988 Snake Egg/Star Battle 2024-05-18 Simon Snake Egg JinHoo Ahn Star Battle
The Art Of Puzzles
The Art Of Puzzles
 00:52:42
5968 Mystery Killer Primes 2024-05-12 Simon Latin Square Shintaro Fushida-Hardy 5x5, Primes, Unique Sums
Reddit Recommended This Puzzle...
Reddit Recommended This Puzzle...
 00:20:00
5930 TectonicPlus 2024-04-30 Mark Suguru Aad van de Wetering Sequence
Avoiding the Sequences ... and Avoiding Sudoku!
Avoiding the Sequences ... and Avoiding Sudoku!
 00:29:54
5926 Loop Nurikabe 2024-04-29 Simon Nurikabe Jakhob, wooferzfg Loop
"One Of The Best Puzzles I Ever Solved": WARNING: VERY Hard!
"One Of The Best Puzzles I Ever Solved": WARNING: VERY Hard!
 02:45:03
5895 Fully Booked 2024-04-19 Simon Fillomino MicroStudy Numbered Rooms
Fully Booked And Yet Magnificent
Fully Booked And Yet Magnificent
 01:16:44
5878 Noughts and Crosses Somedoku 2024-04-14 Simon Latin Square blackjackfitz Counting Sets, Repeat Digits, XV
Noughts & Crosses: That's Not Sudoku
Noughts & Crosses: That's Not Sudoku
 01:01:10
5842 One Up #11 2024-04-03 Mark One Up Rodolfo Kurchan  
Not a Sudoku ... but an Intriguing New Daily Puzzle!
Not a Sudoku ... but an Intriguing New Daily Puzzle!
 00:11:12
5819 Sudomino 2024-03-27 Simon Permaculture Dorlir 8x8, Consecutive, Counting Sets, Fillomino, Sudoku
Can You Become A Professor Of Sudoku?
Can You Become A Professor Of Sudoku?
 01:43:27
5683 GMPuzzles Stumper 2024-02-14 Simon Fillomino Serkan Yürekli Miscellaneous, Sums
How To Become A Puzzle Grandmaster
How To Become A Puzzle Grandmaster
 00:58:49
5604 Heat Stroke 2024-01-21 Simon Latin Square Michael Lefkowitz 7x7, Incomplete Clues, Thermo
A Miracle Thermometer Sudoku
A Miracle Thermometer Sudoku
 01:02:46
5424 Russian Dolls 2023-11-29 Simon Latin Square ThePedallingPianist Anti-Knight, Kropki, Nested Grids
The Russian Doll Sudoku
The Russian Doll Sudoku
 00:46:36
5345 Lexicon 2023-11-09 Mark Fillomino MicroStudy Look-and-Say
An Education in Puzzles
An Education in Puzzles
 00:34:58
5334 Chillomino 2023-11-07 Simon Fillomino zzw Consecutive, Killer
Learn To Chill In 49 Cells!!
Learn To Chill In 49 Cells!!
 00:45:24
5281 Anomalie Bleue 2023-10-25 Simon Akari Wisteria Fall RGB
What Sort Of Puzzle Is THIS?!
What Sort Of Puzzle Is THIS?!
 00:37:47
5280 Akari (RGB) 2023-10-25 Simon Akari Walker Anderson RGB
What Sort Of Puzzle Is THIS?!
What Sort Of Puzzle Is THIS?!
 00:37:47
5279 Akari 2023-10-25 Simon Akari Sam Cappleman-Lynes Classic
What Sort Of Puzzle Is THIS?!
What Sort Of Puzzle Is THIS?!
 00:37:47
5238 Arithmetic Quiz Fillomino 2023-10-15 Simon Fillomino mnasti2 Math Operators
Can You Solve These 5 Simple Equations?
Can You Solve These 5 Simple Equations?
 00:23:33
5195 Fillomino ("Top-Heavy 21 Dice") 2023-10-05 Simon Fillomino John Bulten Classic
What A PHENOMENAL Puzzle!
What A PHENOMENAL Puzzle!
 00:44:37
5156 Meidjuluk Fillomino Permaculture 2023-09-26 Simon Permaculture Agent Fillomino, Meidjuluk
An Attempt At One Of The All Time Greats
An Attempt At One Of The All Time Greats
 01:22:15
5152 Mole's Star Battle 2023-09-25 Simon Star Battle   Classic
How To Solve Numberphile's Puzzle
How To Solve Numberphile's Puzzle
 00:22:13
5090 Solstices 2023-09-09 Simon Aquapelago shye Classic
A Brand New Puzzle Invention
A Brand New Puzzle Invention
 00:33:28
5089 Aquapelago 2023-09-09 Simon Aquapelago Menderbug Classic
A Brand New Puzzle Invention
A Brand New Puzzle Invention
 00:33:28
4995 Fillomino 77 2023-08-17 Simon Fillomino Myxo Miscellaneous, Sums
A Computer Couldn't Explain This But Can A Human
A Computer Couldn't Explain This But Can A Human
 01:15:06
4973 Sieves, Rabbits, Triangles, Squares, REM et al 2023-08-11 Simon Meidjuluk Botaku Classic
A Brand New Puzzle Type - This Is LOVELY
A Brand New Puzzle Type - This Is LOVELY
 00:31:34
4969 Chequered Arromino #2 2023-08-10 Simon Fillomino Phistomefel Chequered, Count
Phistomefel's Sequel
Phistomefel's Sequel
 01:55:04
4867 Bridges and Fillings 2023-07-15 Simon Fillomino Math Pesto Count, O/E
The Naughty Brain
The Naughty Brain
 00:52:01
4835 Egg-Sighting 2023-07-08 Simon Snake Egg Nordy Classic
We Asked For Beautiful And We Got It!
We Asked For Beautiful And We Got It!
 00:29:15
4825 Spectrum 2023-07-05 Simon Fillomino MicroStudy Miscellaneous
Understanding The Four Colour Theorem
Understanding The Four Colour Theorem
 00:55:11
4801 Tatamibari 2023-06-29 Simon Tatamibari shye Classic
Cover Your Sudoku In Japanese Mats!
Cover Your Sudoku In Japanese Mats!
 01:14:08
4788 A Wonderful Discovery 2023-06-26 Simon Latin Square damasosos92 Extra Regions, German Whispers, Little Killer, Unknown Values
A Wonderful Sudoku Discovery
A Wonderful Sudoku Discovery
 01:02:16
4768 Hybrid Star Battle Series (013) - Fillomino 2023-06-21 Simon Star Battle BenceJoful Fillomino
That's No Sudoku!
That's No Sudoku!
 00:55:25
4724 Tunnel Vision 2023-06-10 Simon Fillomino Agent Miscellaneous
144 Cells Of Logic
144 Cells Of Logic
 01:15:18
4694 Tight Spaces 2023-06-03 Simon Fillomino AnalyticalNinja Between Lines
One Of The Best (& Easiest?) Logic Puzzles Ever
One Of The Best (& Easiest?) Logic Puzzles Ever
 00:35:48
4687 Build Your Own Star Battle 2023-06-01 Simon Star Battle Zachary Polansky Region Building
A Tribute To A Young Genius: Jack Lance (1997-2023)
A Tribute To A Young Genius: Jack Lance (1997-2023)
 00:41:25

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