HALLS is a multiplayer survival horror game in which players explore a mysterious liminal space, gathering resources and crafting gear to survive against giant bosses. In this game, players find themselves stranded inside the backrooms, a surreal and unsettling environment that exists between worlds, and must work together to find a way out. It stands out with its cooperative gameplay, procedural generation of environments, and intense boss battles, blending horror, action, and role-playing elements to create a tense and immersive experience.