underwater exploration, player character, first-person view, HUD display, coordinates visible, ocean biome, alien planet, coral reefs, sea creatures, survival equipment, submarine vehicle, Seaglide, high-tech scuba gear, ambient lighting, blue and green color palette, HUD interface, depth meter, oxygen level indicator, inventory system, resource gathering, crafting, base building, panoramic view, clear water, realistic textures, immersive environment, dynamic weather, day-night cycle, soft shadows, volumetric lighting, wide-angle lens.