The people that tried to kill the world almost succeeded. They were ruthless but didn't take into account the vets, truckers, and two-fisted fighters who didn't know the meaning of surrender. Gunny and his band of survivors continue their journey towards safety on the Zombie Road, saving as many as they can along the way. They power through the undead hordes with their armored war rigs to beat the ticking clock of nuclear meltdowns...