In 1955, you faced an evil unlike anything you ever faced before, you faced the perils of the Ubermuntants and Professor Quartzblitz, and were dominated by the fire power of the VX gas missile launcher, and were tooken to the allied hospital.
Now it's 1971, and there is rumors that Dr. Schabbs long lost twin brother is teamed up with Fritz Gutenheimer, and are creating Skull Muntants that have already been released, but were killed before they could descend from the rugged Alps.
You know there is six of the muntants left, that have hidden somewhere in castle titanburg, the largest castle ever known. There is also rumors that Fritz along with the doctor himself have settled in this castle. It is your job to terminate them.