There isn't a thread for gametypes, but I guess you could put it in Forge Discussion... if it's not modded. Mods aren't allowed.
no i meanglitch they should make on that would be awsome i glitched a gametype by acident it has unlimitade urrents and you cant die unless by bombs ad cant destroy bombs or destroy items
It would go in with your map. If you made a map, and have a special gametype to go with it, you post it in the thread.