GunGrave, a third-person shooter, immerses gamers in a beautiful tale of a lone assassin's revenge against a fearsome syndicate. Based on designs by Yasuhiro Nightou and Kosuke Fujishima, both known for their manga and anime, the game takes place in a setting of intense shooting and dynamic destructible environments. The narrative revolves around the protagonist of Beyond the Grave – a resurrected killer who is overwhelmed by a thirst for betrayal and a thirst for revenge. Betrayed and killed by his former friend and boss Harry McDowell, Grave is brought back to life by the mysterious Mika Asagi. Armed with a pair of Cerberus pistols and a colossal coffin that serves as both weapon and shield, Grave sets out on a mission to destroy the Millennion syndicate, led by the treacherous Harry.

GunGrave's gameplay seamlessly combines iconic characters and mechanics for an adrenaline-pumping experience. The combination of intense gunplay and destructible environments keeps gamers on the edge of their seats, enhancing the overall immersion in the game's dark and gritty setting. As they progress through the storyline, users go through a series of challenging Grave missions, battling unforgiving enemies against the backdrop of the oppressive influence of the syndicate. The narrative unfolds organically, creating a sense of purpose and drive as gamers watch Grave tirelessly seek justice for those who wronged him.