Girls' Frontline 2: Exilium is a post-apocalyptic tactical RPG. Players command a team of Tactical Dolls in strategic battles. The game features 3D combat environments with dynamic elements like cover, interactive mechanisms, and varied terrain. These elements require players to carefully consider their tactical approach.

Furthermore, the game includes a realistic weapon system with extensive customization options. Players can equip their Dolls with various firearms and attachments. Additionally, the game offers immersive character interactions through high-quality models and animations. Players can interact with their Dolls in dedicated spaces like the Refitting Room and Dormitory. Finally, the Covenant Ring system allows players to build relationships with their Dolls, unlocking additional content.