Gordon Freeman, Half-Life 1, male protagonist, HEV suit, crowbar in hand, mid-action, fighting headcrab, short brown hair, glasses, determined expression, Black Mesa facility, industrial setting, pipes, flickering lights, emergency alarms, sci-fi environment, first-person perspective, dynamic pose, realistic textures, metal surfaces, concrete structures, ambient occlusion, dramatic lighting, high-resolution, detailed shadows, action-packed scene, Valve game character.