Eight-year-old Billy Blaze, known across the cosmos as Commander Keen, faces an existential threat when a catastrophic machine threatens to destroy all life in the galaxy. Armed with his pogo stick and neural stunner, the pint-sized prodigy pilots his handcrafted Megarocket toward the mysterious Shadowlands to stop the impending apocalypse. Navigating treacherous environments filled with hostile creatures and environmental perils, Keen must rely on his wits and reflexes to avert extinction—or risk becoming nothing more than cosmic debris.