BioMetal is a single-player action shooter game in which players control a fighter ship to combat enemies across side-scrolling levels, utilizing a variety of weapon upgrades including lasers and missiles. In this game, the storyline revolves around a galactic war that has ended, with a mission to investigate a mysterious experiment creating bio-mechanical creatures called BioMetal, which threaten the galaxy's remaining resources. It stands out with its unique combination of sci-fi themes, advanced weapon upgrade mechanics, and the use of the experimental Gel Analog Mutant weapon, which can serve as both a shield and a projectile, adding strategic depth to gameplay.