One is a quintessential PlayStation hidden gem that pushes the original console's hardware with its fluid 3D environments and cinematic perspective. Playing as John Cain, players navigate through five multi-level worlds using an acrobatic move set that includes flipping, climbing, and sliding. What distinguishes this title is the unique Rage Meter mechanic; as you defeat enemies with physical combos and assault weaponry, your power increases, but you must maintain this aggressive state to survive. On the PlayStation, One stands out for its high-energy soundtrack and intense visual effects that showcased the system's polygon-pushing capabilities. For collectors, it represents the peak of late-90s experimental action-platformers. It is a must-play for those seeking visceral, arcade-style combat combined with intricate level design, offering a level of challenge and stylistic grit that defined the era's mature library.