Subnautica, video game, Captain's Quarters, keypad, code entry, underwater, sci-fi, futuristic, abandoned spaceship, interior, metallic walls, glowing screens, alien technology, keypad illuminated, digits, 2679 (actual code), close-up, ambient lighting, blue hues, high detail, realistic textures, digital interface, first-person perspective, immersive environment, eerie atmosphere, bioluminescent flora outside viewport, survival theme, exploration, mystery, isolation.