You can play this game in 2 different modes; against to computer or against to your friend. The rules are easy in this Heavyweight Boxing game. Navigaye your fighter with "W,A,S,D" keys, punch with "B,N,M" keys and mount your guard with "Space" key.If you choose 2 player modes, the second player uses "Arrow Keys" to navigate, "1,2,3" keys to punch and "0" key to mount his guard.Let's start fighting!