nuclear device, Civilization VI, strategy game, hexagonal tiles, world map, 3D model, glowing green, metallic textures, intricate details, warning labels, high-tech, futuristic, ominous presence, city skyline background, dusk lighting, strategic placement, military units, tense atmosphere, global domination, power symbol, endgame technology, science victory, warmongering penalty, international relations impact, espionage target, defense strategy, game interface overlay, turn-based, resource management, uranium resource, advanced warfare, cold war era, mutually assured destruction concept, real-time shadows, isometric view.