 The player controls Major Havoc, the leader of this very band of clones.Some games identified the Vaxxian homeworld as Maynard, referring to the town of Maynard, Massachusetts, home of Digital Equipment Corporation, manufacturer of the VAX minicomputer.The player controls the titular character, Major Rex Havoc, first in the "shoot-'em-up" style game, in which the player operated Major Havoc's spaceship, the Catastrofighter, against the numerous robot ships who defend the enemy reactors.