 These items include extra lives, tanks that refill energy, and one-time-use items that call on Mega Man's companions Eddie and Beat for help.Using the original "Mega Man" and "Mega Man 2" as the main inspiration for the gameplay in "Mega Man 9", several significant features from previous games were left out.Specifically, Mega Man lacks the ability to slide along the ground and the ability to charge up his Mega Buster for more powerful shots.