So, I was reading in my copy of Gathox Vertical Slum and thinking about how cool it is that this ambulating god-city travels between different worlds and how this would let players make expeditions from the city to explore and scavenge whatever worlds they happen to find themselves on.
Therefore, I made a random table for worlds that Gathox can appear on. I wanted a science fantasy / sword and planet vibe, another table could have D&D Great Wheel planes or high fantasy settings or alternate versions of Earth history or…
6. BX Mars
7. Mu / Mars
11. The Hill Cantons