Explore / Setters / yttrio
yttrio yttrio has 17 puzzles in the Variant Sudoku catalog, most often with Yin-Yang, German Whispers and Killer. 7 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 17 9 are 9×9
First puzzle 2024 Whispering Caves
Latest puzzle Oct 2026 Dutch Masyu
Logic Masters solves 1,500 Average rating 99%. Also 7 on CTC
Puzzles by yttrio Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
LM
Dutch Masyu 23 Oct 2026
Medium 44 solves
Masyu Dutch Whispers Modular Lines
LM
Curiosity 19 Sept 2026
Hard 81 solves
Disjoint Groups Renban Kropki
LM
Whisper Fortress 12 Sept 2026
Very easy 157 solves
Fortress German Whispers
LM 6×6
Roman Whisper Yin Yang 5 Sept 2026
Medium 212 solves
Yin-Yang XV German Whispers
CTC 6×6
Double Equality Yin Yang 22 Aug 2026
Hard 127 solves
Yin-Yang Killer Modifier Cells Doublers
LM 6×6
Myopia Whisper Yin Yang 8 Aug 2026
Hard 92 solves
Myopia Yin-Yang German Whispers Arrow
CTC
Fortress Yin Yang 12 Jul 2026
Very hard 90 min video
Count Fortress Yin-Yang
CTC
Invisible Killers 15 Jun 2026
Very hard 126 min video
Incomplete Clues Killer
LM
Sum-X-Sum [YYJ Pack] 6 Jun 2026
Hard 117 solves
Yin-Yang Kropki X-Sums Sandwich
LM 6×6
Thermarrows [YYJ Pack] 30 May 2026
Hard 123 solves
Yin-Yang Thermo Arrow German Whispers
LM 6×13
Twin Yang [YYJ Pack] 25 Apr 2026
Medium 75 solves
Yin-Yang Killer Modifier Cells Sandwich
CTC 6×6
Nakatomi Plaza 7 Apr 2026
Medium 43 min video
Multitask Clues Non-Repeat Skyscraper
CTC
Modular Masyu 26 Dec 2025
Hard 54 min video
Count Masyu Modular Lines
LM 6×6
Exclusive Internal Skyscraper Loop 28 Jun 2025
Medium 119 solves
Skyscraper Arrow
CTC
Pointer Arrow Parity Loop 31 May 2025
Hard 123 solves
Arrow Parity Lines Count Loop
CTC 6×6
Chiaroscuro-doku 8 Mar 2025
Hard 130 solves
Chiaroscuro Killer
LM
Whispering Caves 28 Sept 2024
Hard 100 solves
HöHle Kropki German Whispers
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