I hope you like sudoku as much as I do, because today's silliness is a LoM-ified sudoku!
All you need to do is install Greasemonkey, if you don't have it yet. Click
this script link and Greasemonkey should offer you to install the script. Then go to
sudoku-aktuell.de and play!
Things probably no one apart from me cares about: Originally I planned to put one on my website (with a prettily styled page), but I had forgotten that you can't apply CSS to cross-domain iframe content and so I spent ages trying to find another solution and ended up with my preferred site again, only that I'd given up on the idea of embedding. So here we are with my first Java Script adventure (though actually it consists mostly of CSS).