In the beginning, they allowed anyone to add listings, it's how we ended up with like 30x listings for AD&D, because people would put in things like: "Advanced Dungeons and Dragons", "Advanced Dungeons & Dragons", "AD&D", "ADnD", etc. And thus it was made that only Roll20 staff could add things to the list. S taff put in a threshold that there needed to be a certain number of games being advertised/actively played before they would add it, as well as the content being openly available to the public, for free or for purchase. They did so in order to keep the list from having a glut of games listed that were only played once or twice, or were requested by people creating some homebrew game that never would be published. I don't recall if they ever publicized the threshold number required.
