underwater exploration, survival game, player character diving, collecting resources, crafting tools, building underwater bases, encountering alien sea creatures, vibrant coral reefs, deep sea trenches, bioluminescent underwater rivers, mysterious alien structures, first-person view, realistic water physics, dynamic day-night cycle, survival mechanics, hunger and thirst system, oxygen management, inventory management, technology upgrades, submarine piloting, sea glide, high-tech fabricator, alien containment, research alien flora and fauna, scan for new technologies, solve the mystery of the planet, escape the planet, immersive atmosphere, ambient lighting, detailed textures, advanced graphics, 3D sound effects, sandbox mode, story progression, environmental storytelling, high-resolution textures, realistic materials, underwater caves, volcanic areas, ice biomes, rich ecosystems, advanced crafting system, survival mode, adventure mode, creative mode, realistic ocean waves, dynamic weather effects, survival strategy, resource management, base customization, vehicle customization, environmental hazards, alien life forms, exploration strategy, survival tactics, advanced marine technology, underwater survival adventure, immersive underwater experience.