I've enjoyed solving Killer Sudoku puzzles for many years - usually online, but I can also be found with my head buried in the puzzle section of a newspaper.
Back in 2008 I started a hobby project - a computer program that could solve Killer Sudoku puzzles. Later that year I flipped it around from a solver to a generator, wrote a web front end for it, and in 2009 the original Daily Killer Sudoku was born.
I've been supporting and maintaining it in my spare time ever since. Since then I've had four children, so I don't have as much time as I used to! Nevertheless, I spent much of 2017 giving it a complete overhaul, from the puzzle generator through to the website.
This site is the end result, and I hope to continue adding to it over time. If you have any ideas or suggestions, or want to get in touch for any other reason, it'd be great to hear from you!
-- James, Daily Killer Sudoku