I was on Steam and saw about the Terraria wiki moving to wiki.gg. It me think that we and anyone making indie games could use wiki.gg to host a wiki. I believe from Year 1: The First Step from November 2019, it mentioned about a wiki, but the wiki network I mentioned could be great if you don't have your own server and don't want to use Fandom.
I had planned on a wiki once my game gets developed and shared, but I didn't want to use Fandom especially since they forced the FandomDesktop/Mobile skin and retired the Oasis/Hydra skin, a change that many people didn't like. I also found you on Discord and added you as a friend.