Try your knowledge and play the game as the name suggests, test out your knowledge don't? And to answer the questions asked you to write letters to you will work. Thus, both test information and also you will learn new information. You are playing the game with the mouse. You will win points if you give the correct answers to questions, when you give the wrong answer you will lose points. Come on, try and get points for your knowledge. Educational and informative game is waiting for you.