Dive deep into the uncharted waters of the Clarion-Clipperton Zone, where newly discovered polymetallic nodules spark controversy and intrigue. As a marine biologist, you'll embark on a perilous expedition to uncover the truth about 'dark oxygen' and its implications for life on Earth. Navigate through treacherous underwater terrain, interact with rival researchers, and make critical choices that could either protect or exploit this fragile ecosystem. With a narrative shaped by your decisions, will you defend the environment or yield to corporate greed?