Akuu Senki Raijin is a single-player action shooter game in which players control a transforming mecha that can switch into a starfighter, engaging in vertical and horizontal scrolling shoot-'em-up gameplay. In this game, set in a sci-fi universe, players navigate through levels filled with enemies and obstacles, utilizing the transformation mechanic to adapt to different combat scenarios and explore various pathways. It stands out with its unique transformation feature, allowing players to switch between ground-based mecha and aerial starfighter modes, adding strategic depth and variety to the gameplay, along with a blend of vertical and side-scrolling sections.