Does anyone know where I can find these kinds of word games?

Question

There are kinds of word games with rules that aren't told, but need to be figured out...like "What can go through the green glass door?" In this game, the rule is only words with double letters are acceptable. Like eggs can go in, but chickens can't, sheep can go in, but goats can't, etc. Does anyone know of a site where I can get some more? I might be a big geek, but I find this type of thing to be fun and challenging. Thanks for the help ^^

Answer 1

http://www.corsinet.com/braincandy/

http://playwithyourmind.com/