Mega Man 6 was the last of the saga of Megaman Games released for the Nintendo Entertainment System. It included all the features of its predecessors, such as sliding, and the charged mega buster, but also incorporated a new feature. Megaman could combine with his pet dog Rush to have different abilities, such as flying, and punching. Also, the main villain is a villain named Mr. X, who after defeating all 8 Robot Masters and going through his castle, you find out it is Dr. Wily. Beat cannot damage the bosses at all, only some enemies.