underwater scene, Subnautica game, nuclear reactor fragments, scattered pieces, seabed, coral reef, bioluminescent plants, fish swimming, metallic textures, rusted edges, algae-covered surfaces, futuristic design, exploration, diver with flashlight, searching pose, oceanic ambient light, murky water, bubbles rising, 3/4 view, detailed environment, high-tech scuba gear, immersive atmosphere, eerie silence, wide-angle lens.