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✏️ Pencil Puzzles

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

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

3 rows where Constraints contains "Zipper Lines" sorted by Id descending

Type 1

  • Latin Square · 3

Solver 2

  • Simon · 2
  • Mark · 1

Setter 2

  • Marty Sears · 2
  • gdc · 1

Constraints 13

  • Zipper Lines · 3 ✖
  • O/E · 2
  • Ratio · 2
  • Repeat Digits · 2
  • 0-5 Digits · 1
  • 6x6 · 1
  • Difference · 1
  • Equal Sums · 1
  • Extra Regions · 1
  • Fog · 1
  • German Whispers · 1
  • Non-Repeat · 1
  • Pathway · 1
Id ▲ Puzzle Title Date Solver Type Setter Constraints Video Video Length Video Length (Minutes)
8525 Something Stupid 2026-05-04 Simon Latin Square Marty Sears Fog, German Whispers, Non-Repeat, O/E, Ratio, Repeat Digits, Zipper Lines
Puzzle Expert Attempts Something Stupid...
Puzzle Expert Attempts Something Stupid...
01:01:02 62 min
8503 RAT RUN 36: Alternating Currant 2026-04-29 Simon Latin Square Marty Sears Difference, Equal Sums, O/E, Pathway, Ratio, Repeat Digits, Zipper Lines
Remember NOT To Do Sudoku!! Rat Run 36: Alternating Currant (S3:E16)
Remember NOT To Do Sudoku!! Rat Run 36: Alternating Currant (S3:E16)
01:29:14 90 min
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 64 min

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Last updated (UTC): 2026-05-09 06:04:52