Lambda logo, Half-Life 2, dystopian City 17, Gordon Freeman, HEV suit, crowbar, Combine soldiers, headcrab, resistance fighter, urban decay, graffiti, physics-based puzzles, atmospheric lighting, first-person perspective, detailed textures, sci-fi weaponry, rusted metal, concrete structures, abandoned vehicles, atmospheric fog, dynamic shadows, panoramic view, action pose, intense expression, cinematic angle, high-resolution rendering, advanced particle effects, immersive environment, iconic symbol, Valve Corporation, video game concept art.