I guess the definition of "rationalist community" has grown too far, and now means more or less "anyone who seems smart and either pays lip service to reason or is a friend with the right people".
If you really think that you should add the definition here: https://wiki.lesswrong.com/wiki/Rationalist_movement
Regarding setting up a gaming server, that seems like something feasible to spin off the Slack or Discord chats. If you're a gamer, Discord is pretty cool an I recommend it. (I was once a gamer like you but I decided I was wasting my life so waste my life writing wikis instead ;) )
Absolutely!
I've captured the key info for future expansion but I don't have the time to dive the entire list myself, so understanding notable people, conversations and activities would be greatly appreciated!
I have written the most comprehensive high-level history of transhumanism and I would love to flesh out these earlier days better. Grab me on Slack or did you prefer some other channel?
I know the guy running the githug repo and his sources, that'll do me for now.