Super Bikkuriman: Densetsu no Sekiban

Super Bikkuriman: Densetsu no Sekiban is a Gameboy title where a ferocious conflict unfolds between humanity and formidable super-demons. Humans wield cyber-enhanced forces, fashioning armour akin to mechanoids. With their forces decimated by the super-demons, a handful of humans, including a young boy named Phoenix, escape. He stumbles upon fragments of a stone, setting him on a path to becoming humanity's salvation.