Back of US GameBoy Color Box Blaster Master: Enemy Below Jason, brave hero of yesteryear, is roused from retirement by the news that mutant lifeforms, thought to have been long since destroyed, are once again on the move, hollowing out subterrean niches in the image of their old haunts. The decision to reactivate Sophia seems to Jason nothing more than an inevitability.... Back into the cold once more.... -Eight areas to explore, to find the keys and kill the sub human bosses -Use the tank's suction system to drive up walls and along ceilings -Drive Sophia or go it alone with Jason