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Rings of Earth is a TTRPG my friend is making - a post-apocalyptic post-singularity cyberpunk setting. Most people live in orbit whilst Earth is covered in post-war desolation, isolation zones filled with bio-mechanical gribblies, and what's left of nations forming semblances of society. Much of the Earth has been devastated by flooding as a result of the climate crisis, and on top of that swarms of disassembly nano-machines have carved up parts of the world.

Made in Clip Studio Paint using a basic high quality Earth map (source: https://www.vectorworldmap.com) and erasing coastline with reference to a flood map (found here: https://www.floodmap.net/?ct=SE) set at 60 meters sea level rise, with a few extra alterations for the setting. Borders were made with reference to descriptions my friend set and to real-world current borders as they typically follow natural geological features such as rivers and mountains. Countries and zones were determined by my friend with some creative input from me.