Here you can find a Discord server for all of the Rocket Knight games:

https://discord.gg/kZg9ers

this link is invalid, as is the one in the tab under guides. make sure its set to never expire

I'm relatively sure that it was once set to "never expire" since I used the link back in July. Maybe the admins revoked the link during the security breach a few months back.

Thanks for pointing this out, I'll renew this tonight.