Ka-Ge-Ki: Fists of Steel is a single-player action fighting game in which players engage in underground fighting matches, battling through a series of opponents within an arena. In this game, players take on the role of a fighter aiming to take down a notorious biker gang by defeating each member in a series of combat rounds, with each gang member requiring three knockouts to be eliminated. It stands out with its unique super-deformed 2D graphics style, featuring stocky characters with oversized heads, and offers a gameplay system that allows movement in any direction within the arena, utilizing button combinations for attacks, dodges, and parries, providing a dynamic combat experience.