Titan Europa Io Mercury Jupiter Saturn Neptune Uranus Imagine entire areas built within the clouds of the gas giants, high above the hollow planet and it's endless oceans. With massive lightning storms on Jupiter, dense fog on saturn. The deep blue skies of neptune, and the purple void below you on uranus. It would be reminiscent of Elysia from Metroid Prime 3. Or the icy tundra of Europa. The extensive moon-scape of titan. Maybe the volcanic terrain of IoHow about the massive deserts and sky-piercing vex architecture