New Starting Player Wiki Plat Challenge: "Green Inc" Edition

[Eggbell]

I noticed https://wiki.project1999.com/Tyrana_Slil
has map coordinates that correspond to a specific map level of the dungeon.

If I made 2 levels for Freeport East, then one would have to go through all the creatures in Freeport East and set their coordinates to the underground level if they are down there?

Edit: So after some experimentation with paint editor, I might go with this for the underground level?
Not a final product, but my intention of how to show underground and use the above ground map so people know their relationship.