Setter is Yttrio

Yttrio has produced a number of loop puzzles. His first feature on CTC is Whisper Doublers.

Selecting a sudoku title will allow you to play it, selecting Simon or Mark image next to the title will allow you to watch it.

  • Kurodoku Simon
  • Whispering Yin Yang Simon
  • Renban Caves Simon
  • One Look Could Kill Simon
  • Earth Wurm Simon
  • Doubling Loop Simon
  • Sashigane Whispers Simon
  • Mad Mod Quad Loop Simon
  • Parity Islands Simon
  • Whisper Loop-de-Loop Simon
  • Polarity Loop Simon
  • Foggy Whisper Loop Simon
  • Whisper Doublers Mark