The following tests and brain teasers can be integrated seamlessly into your web pages. You are free to run your own advertising around them, and maintain the look and feel of your site. Random IQ Test - Click here to see the "bare bones" test, or here to see how we integrated it into our own site. Click here for instructions on how to add the test to your web page(s). Random Brain Teasers - Click here to see the "bare bones" teasers, or here to see how we integrated them into our own site. Click here for instructions on how to add the teasers to your web page(s). NEW! NOW WITH CODES FOR OPTIONAL DIFFICULTY LEVELS! Lateral Thinking Puzzle IQ Test - Click here to see how we integrated this test into our own site. Click here for instructions on how to add the test to your web page(s). Lateral Thinking Puzzle IQ Test II - Click here to see how we integrated this test into our own site. Click here for instructions on how to add the test to your web page(s). Pre-Selected Individual and Sets of Brain Teasers - Instructions on how to add specific teasers or sets of teasers to your web page(s).