Setter is Derek Orr

Derek Orr is known as Derektionary and has all of his puzzles on Logic Masters Germany. His first feature on CTC is Accelero-meter.

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.

  • Skateboards Mark
  • Walk in the Mist Simon
  • Scooters Mark
  • Steeples Mark
  • The Snake Simon
  • Look-and-say Killer 3 Simon
  • Look, Don't Kill Simon
  • Honeymoon Mark
  • Look-and-say Killer 2 Simon
  • Raswor Simon
  • Brittle Snowflakes Mark
  • Little Killer Madness Mark
  • Accelero-meter Mark