In this game you have five topics dealing with different chemistry topic. You can play this game with two or one. You to chose your topic just like jerpordy and you have to answer the question correctly to get the points. This game is loads of fun and you learn alot and it really test your knowledge because the question challgning and it make you really think. And if you get it wrong it tells you what the correct ansewer is and these questions and not multiple chocie they are short answer so you can't just guess you actullay have to learn.