Play Juuryoku Soukou Metal Storm (Japan) Online

Irem released Metal Storm for the Nintendo Entertainment System in 1991, a time when side-scrolling action games were common but few played with physics in such an unusual way. It arrived without much fanfare, but those who found it discovered one of the NES library's more inventive titles, built around a single clever idea that changes everything.

You control a heavy combat mech, navigating tight platforming stages filled with enemy robots and environmental hazards. The main objective is to reach the end of each stage, but the standout mechanic is your ability to reverse gravity at will, flipping your mech and the entire screen's orientation instantly. This lets you walk on ceilings, avoid attacks from below, or crush enemies by dropping onto them from above. The game demands precise timing and spatial awareness, with a difficulty that escalates quickly as stages introduce more complex enemy patterns and narrow pathways. It feels like solving a kinetic puzzle with every jump and flip.