multiplayer, Grand Theft Auto IV, urban environment, Liberty City, dynamic weather, street racing, action-packed, male character, leather jacket, jeans, sunglasses, realistic gunplay, skyscrapers, police chase, sunset lighting, high-speed pursuit, multiplayer mode, detailed cityscape, 3/4 view, ambient occlusion, reflective surfaces, advanced textures, online gaming, open-world exploration, car customization, action pose, multiplayer interaction, voice chat, HUD interface, night scene, city lights, realistic shading, action camera angle, detailed vehicles, crowded sidewalks, diverse NPCs.