Nice! Maybe you should add http://www.mathpuzzle.com and http://www.puzzlepicnic.com to your link section. They are my personal favourites.

Great site. I liked some of your logos and icons. Have you considered having them silk screen printed onto t-shirts? I'd buy one of the brain with legs.

Nice puzzles)

lol>()>

hi, I was hoping to try out Grand Chess here, but the pieces are way too small, and of almost zero contrast with respect to board.