I've always enjoyed number puzzles, so when Sudoku took the world by storm I thought that
I'd have a go at writing my own puzzles. The twist on my implementation is that the
central cross also has to be the unique numbers 1 to 9. Hence the "-x" in the site name.
The main site is written in PHP and the puzzles are generated using Perl.
For accessibility and ease of enhancement the pages are CSS based.
This site is also accessible via the following synonyms for brand protection and marketing reasons: