The difficulty options are Easy, Normal, and Hard.Cut Man also had his theme rewritten in a major key in all versions of his stage.Additionally, the music remixes from the New Style are actually the lower pitches of the original music.Old Style is a recreation of the original Mega Man, and Time Man and Oil Man are not available to fight against. New Style lets the player play as all of the eight Robot Masters, features difficulty choices and level design changes (in order to utilize the PlayStation Portable's wide-screen display) as well as music remixes. There are two modes that are available to play: New Style and Old Style.Fire Man and Cut Man are the only Robot Masters to keep their original weaknesses. For example, Elec Man is weak to the Oil Slider instead of the Rolling Cutter. To fit the two new Robot Masters into the cycle, the entire weakness order has been redone and no longer follows the original game.Two new Robot Masters, Time Man and Oil Man, have been added to the game, bringing the total number of Robot Masters up to the traditional eight instead of six.The game features a graphical overhaul with 3D character models in a chibi-style and updated environments, as well as voice-acting.