uh oh, just found sporcle

http://www.sporcle.com/games/elements.php
http://www.sporcle.com/games/largestislands.php
http://www.sporcle.com/games/asiapopulouscities.php
http://www.sporcle.com/games/asiacapitals.php
http://www.sporcle.com/games/4letter_countries.php