For Professor Bad, use arrow keys to move and down arrow to strike. For Professor Good, use w, a, and d to move and s to strike. Beware the sand trap. You might get Stuck :-}.
One day, a horrible mistake in the lab of Professor Bob and George caused an enormous chemical explosion, turning Professor Bob into Professor Bad and Professor George into Professor Good. They then attacked each other. Who will win the battle? I copied the idea off of a different project, Good vs. Evil. My brother found a mistake and I fixed, so he demanded credit.