Blaster Master: Enemy Below

Blaster Master: Enemy Below is a video game for Game Boy Color. Emerging from his many battles both a warrior of legendary proportions and a battle-weary man, Jason starts life anew in a distant land. But one day, unexpectedly a stranger arrives at his door, and makes a plea: "I want you to capture - no, kill the creatures of darkness we have succeeded in producing." The research facility she spoke of was located in the depths of a subterranean installation in a silent forest, undisturbed by human habitation. There it had been created, an amalgam lifeform, an assimilation of life and machine, of multiple organic species, whose base structure was a tissue sample. A tissue sample harvested by the lab from the subterranean lifeform that Jason was supposed to have destroyed, the lifeform with a name known only to Jason, Eve, and Alex: the Plutonium Boss. Exploiting its own astounding reproductive powers in the region underground forbidden to the human race, the lifeform was apparently... full article at wikipedia