Setter is Eric Fox

Eric Fox is the Author of the f-puzzles setting tool and has many features on cracking the cryptic. His first feature on CTC is X Clone Sudoku.

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.

  • A New Puzzle to Us Mark
  • Where are the Black Dots? Mark
  • Sudoku Decision Tree Simon
  • Longest Arrow Mark
  • X-Positional 1s Sudoku Mark
  • Thermo Sudoku X Simon
  • Killer Palindrome Sudoku Mark
  • Thermo Sandwich Simon
  • 75 Sudoku Mark
  • X Clone Sudoku Simon