*The Challenge is a resource intensive application. If it doesn't work, please reboot your computer and try again. Starting may take longer than usual, depending on the speed of your connection.
For millions of TV watchers, games make learning fun. In this training game, users are certified via any number of questions plus a set of "facts" or "ideas," all linked to reference material on any web site or page. Rigorous learning and certification, PLUS all the engagement of being a contestant! TRY IT!