detailed map, Signalis game, futuristic facility, intricate corridors, dim lighting, eerie atmosphere, abandoned rooms, control panels, rusty textures, metal doors, warning signs, flickering lights, overhead perspective, isometric view, sci-fi horror aesthetic, cold color palette, glowing screens, surveillance cameras, ventilation shafts, claustrophobic spaces, detailed environment, ambient occlusion, high contrast shadows, immersive experience, game level design, dystopian vibe.