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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 "6x6" sorted by Id descending

Type 1

  • Latin Square · 3

Solver 2

  • Simon · 2
  • Mark · 1

Setter 3

  • Henk Nicolai · 1
  • Michael Lefkowitz · 1
  • gdc · 1

Constraints 8

  • 6x6 · 3 ✖
  • 0-5 Digits · 1
  • Difference · 1
  • Extra Regions · 1
  • Primes · 1
  • Sums · 1
  • Unique Sums · 1
  • Zipper Lines · 1
Id ▲ Puzzle Title Date Solver Type Setter Constraints Video Video Length Video Length (Minutes)
8355 Moderation 2026-03-27 Simon Latin Square Michael Lefkowitz 6x6, Difference, Sums
The Miracle Latin Square
The Miracle Latin Square
00:33:11 34 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
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 24 min

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Last updated (UTC): 2026-04-12 05:36:10