The application is set in a post-apocalyptic world that has been drastically altered after the event called The Descent of the Titans. This catastrophe turned a once lively city into a bleak and ruined wasteland known as Containment Zone Aleph. Players assume the role of an Adjutant in Heimdall Force, embarking on daring missions alongside powerful Manifestations—beings with god-like abilities and distinct personalities. The overarching goal is to combat the chaos and wintery hardship that have engulfed the world, working to restore hope and stability.
The game features a hybrid combat system that emphasizes realism mixed with sci-fi elements. It uses weapon designs that closely resemble future firearm technology, providing an immersive shooting experience. This tactical gunplay is combined with RPG-like skill mechanics, allowing players to utilize unique powers and skills, which makes the combat more dynamic and engaging. The blend of realistic weaponry and fantastical abilities offers players a fresh and exciting way to face enemies.
A key aspect of the game involves battling colossal Titans that have dramatically transformed the environment and the gameplay landscape. These giants represent the dangers that emerged from The Descent, and fighting them provides an adrenaline-filled experience. Confronting these Titans is central to progressing in the storyline, offering players a sense of scale and intensity that heightens the game's dystopian theme.
Beyond combat, players can build relationships with their fellow operatives in Heimdall Force through the Base system. This feature allows players to personalize their environment, engage in conversations, and exchange gifts to strengthen bonds with their companions. Additionally, the game supports cooperative play via Gigalink, enabling friends to team up and face enemies together, fostering a sense of camaraderie and collective effort in this challenging world.