The Aquatic Adventure of the Last Human is a Metroid-vania style game which focuses heavily on boss battles and exploring. You play as the last human, returning to Earth from a failed space mission, only to find out that the Earth is completely submerged and humans are extinct.
In the far future humanity is no more. The Earth has been flooded for centuries, and without humans, the wildlife is thriving.
Take control of the long-lost spaceship-submarine hybrid Argo 9 on a spectacular adventure to a not so familiar homeworld.