video game, Half-Life, RTX on, realistic textures, enhanced lighting, dynamic shadows, high-resolution, detailed environment, Steam platform, first-person shooter, science fiction, immersive atmosphere, advanced graphics, ray tracing, reflections, refractions, Nvidia technology, futuristic weapons, alien creatures, Black Mesa Research Facility, hazard suit, protagonist Gordon Freeman, action-packed, interactive physics, 3D models, particle effects, volumetric lighting, high frame rate, detailed character models, complex level design, atmospheric effects, post-processing effects, panoramic view.