www.paulcooijmans.com

Various paid tests offered along with IQ Society membership. Also provides free puzzles and games.

URLs from www.paulcooijmans.com:

URL: http://www.paulcooijmans.com/pers/gaia.html

URL: http://www.paulcooijmans.com/gliasociety

URL: http://www.paulcooijmans.com/

Tags: test iq