The year is 21XX and the chaos of the Reploid Wars has passed. Lunar colonization is at its peak. The largest colony, Eurasia, is unexpectedly taken over by an unknown band of galactic terrorists. It's artificial gravity device has been hacked and Eurasia is now on a collision course with Earth. The only way to stop it is to deploy and ancient beam cannon, Codename: Enigma. Mega Man must use his blasters and bombs to make his way through eight levels of running, jumping, and shooting action. If you decide to play as Zero, you will have to use a plasma sword and some cunning to get through the same levels. Join Mega Man X and his pal, Zero as they race against time to collect the necessary parts to restart Enigma, prevent total annihilation and save life on Earth!