Son Hai Exorcism Story is an engaging arcade game available on Android that combines vertical shooter mechanics with monster evolution. Players begin by selecting a starter egg, which serves as the foundation for evolving into a powerful giant monster. The gameplay is designed for accessibility, allowing characters to auto-fire while players can swipe left or right to maneuver and collect various power-ups throughout the battles.

The game features a unique evolution path for each starter egg, enabling in-battle transformations and form changes. Additionally, players can strengthen their characters using an equipment system that grants bonus attributes. Prior to battles, players can also acquire and select talents to enhance their strategic options, making each fight a dynamic and customizable experience.