Septerra Core: Legacy of the Creator (1999)

Enter a world where the laws of nature work in strange new ways, allowing continents to orbit at different elevations around the planet. Living battleships float overhead and Junk Pirates roam the darkness. This is a world whose very Core is a living computer, quietly watching over the fruits of its master’s creation. On the Outer Shell Layer above, the ancient society of the Chosen live an extravagant lifestyle, consuming mass amounts of energy and dumping their waste onto the Layers below. They have discovered secrets about the world in which they live, and begin a descent towards the inner Core, caring not who gets in their way. Full game title: Septerra Core: Legacy of the Creator