Explore / Setters / gdc
gdc gdc has 14 puzzles in the Variant Sudoku catalog, most often with Kropki, Arrow and Fortress. 5 were solved on Cracking the Cryptic. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here 14 11 are 9×9
First puzzle 2023 The Knights Who Whisper "V"
Latest puzzle Sept 2026 Umgehungsstraße (Myxo Impression)
Logic Masters solves 1,357 Average rating 96%. Also 5 on CTC
Puzzles by gdc Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
LM
Umgehungsstraße (Myxo Impression) 21 Sept 2026
Hard 23 solves
Yajilin Fortress Kropki Arrow
LM
Norma's Shadow (Infections) 13 Sept 2026
Hard 65 solves
Minesweeper Fortress Kropki Arrow
LM
Heat Thingy Of The Universe 28 Aug 2026
Easy 277 solves
Thermo Entropic Lines
CTC 7×7
Floating Through Space 4 Aug 2026
Medium 33 min video
Cave Count Irregular Sums
CTC
Two Truths and a Region 22 Mar 2026
Very hard 117 min video
Arrow Fog of War Killer Liar
LM 4×9
Twin Paradox (Holes, Gemini) 15 Feb 2026
Medium 28 solves
Killer Modifier Cells Little Killer Arrow
LM 6×6
Peeking Snowman 17 Dec 2025
Very easy 365 solves
Kropki Region Sum Lines
CTC
Under the Microscope 7 Nov 2025
Hard 77 min video
Cave Consecutive German Whispers Indexing
CTC
Patient Zeroes 27 Oct 2025
Very hard 81 min video
Consecutive Pathway Region Building Sweeper
LM
Quantum Balance (by gdc?) 19 Sept 2025
Very hard 50 solves
Yin-Yang Region Sum Lines Schrödinger
CTC
Harmonic Split 30 Aug 2025
Hard 65 min video
Doublers Equal Split Lines Yin-Yang
LM
The Knights Who Whisper "V" 28 Jul 2023
Very easy 523 solves
Anti-Knight XV German Whispers
LM
Do Not Cross (Infections) Date unknown
Hard 24 solves
Kropki Battenburg Modifier Cells
LM
Am Holzweg Date unknown
Medium 2 solves
Yajisan-Kazusan Fortress
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