Castle of Shikigami III is a vertical scrolling shoot-'em-up where your score and firepower increase based on how close you fly to enemy bullets and units. You select from characters with unique powers, like chain lightning, and can switch between two active characters mid-fight for tactical adaptation. This main game features fully voiced dialogue across scenarios and supports both solo and two-player co-op play.
The primary gameplay loop centers on surviving relentless waves of enemy projectiles while maximizing score through proximity-based mechanics. Players must master the unique attack patterns and abilities associated with their chosen character. The experience is further enhanced by fully voiced dialogue throughout various scenarios, adding narrative context to the action.
A significant feature allowing for strategic depth is the ability to switch between two selected characters mid-fight. This mechanic provides an immediate tactical advantage, enabling players to adapt their offensive and defensive capabilities on the fly to overcome challenging enemy formations.
The game features both single-player and two-player cooperative modes, allowing friends to tackle the barrage of bullets together. The core challenge lies in balancing aggressive scoring tactics—flying close to danger—with the necessity of survival against the "never-ending barrage of bullets."
This title is presented as a main game release with no publicly listed downloadable content or expansions available. It was made available across multiple platforms, including the Arcade, Xbox 360, PC (Microsoft Windows), and Wii.
Each playable character offers a distinct experience due to their specialized weapons and powers. This variety encourages replayability as players explore different styles of play, from close-range offensive power to more ranged or area-of-effect capabilities.