Select one or more conversion buttons then click the 'Start' button to begin the game. Convert the given number from its original system (denary, binary, or hexadecimal) to the requested system by typing your answer into the provided boxes. The next box will automatically be selected for you. Once all boxes are filled, your answer will be checked automatically, and the game will proceed to the next question after 3 seconds. Your score and time taken for each question are displayed. Press 'Start' again to restart the game at any time.