Comment by erreon

Very interesting. Do you remember which source you got your hands on? I dabbled in CircleMud as someone else posted, but mostly Envy 2.0 or 2.2. I can't find those codebases quickly these days, but this is a link to a mud based on Envy 2.2 https://github.com/DikuMUDOmnibus/Ultra-Envy