어센트 프로토콜 presents a story that unfolds in a precarious world on the brink of apocalypse, following an unstoppable disaster. Players dive into a narrative where humanity faces a colossal existential threat, leading to a fractured society struggling to survive in different ways. The underground city emerges as a new refuge amidst the crumbling ozone layer, offering a fresh start for some.

In this game, players embody "Agents," individuals with unique abilities arising alongside the appearance of a new generation worshiping the overwhelming entity known as 'Genos.' As a "Leader," your task is to command these diverse Agents to suppress the followers of 'Genos' spreading through the underground city. Experience strategic battles by leveraging synergies and cooperative effects between Agents.