This game is a cross between Gameboy Advance games 'Megaman Zero I' and 'Megaman Zero II'. Battles between reploids and humans have been ongoing for almost twenty years now, since the release of the first Megaman game, in 1987 on the NES. In the Megaman Zero series you play as Megaman's long running friend and rival 'Zero'. Arrow Keys - To Move. X - To Jump. Z - To Attack. C - To Dash.