As well as Axle the Red, the other Mavericks have Guns 'n' Roses related names - Grizzly Slash, relating to Saul "Slash" Hudson, lead guitarist of Guns 'n' Roses; Squid Adler, relating to Steven Adler, original drummer of Guns 'n' Roses; Izzy Glow, relating to Izzy Stradlin, rhythm guitarist of Guns 'n' Roses; Duff McWhalen, relating to Duff McKagan, bassist of Guns 'n' Roses; Dark Dizzy, relating to Dizzy Reed, keyboardist of Guns 'n' Roses, and Mattrex, relating to Guns 'n' Roses' second drummer, Matt Sorum. The Skiver relates to Michael Munroe, singer of Hanoi Rocks, who had several collaborations with the band.
The first game in which you could switch freely between Mega Man and Zero between levels.
The game has a time limit. Although the game can still be beaten after the time limit expires, it results in a bad ending.
First appearance of Alia.
First game in the series to feature multiple hidden suits of armor.