Is there a decent build order for rushing with the Huns?
Obviously go for battering rams and the like quickly. Tradition or liberty? Honor seems too slow tbh.
I had my first MP game with the Huns (still ongoing). You don't want Liberty if you have nearby cities to conquer. I went for Honor - those early Barb kills will rush you through the tree, and having to maintain a large army early stalls economic growth so the gold bonus finisher is valuable to have. You also get a Great General before your first attack, which is certainly going to help you. Most importantly, you get the production boost to melee units with your second policy, which will probably unlock in time to help with at least the second ram if not the first.
You're not going to be building Wonders early, and the immediate bonus from four monuments is less than you'll get from killing Barbarians since you'll have a big army early, so I'm not sure Tradition offers a great deal either.
My initial order was slightly different from usual (no early Monument because I wanted to get the Worker early to maximise the pasture bonus):
Scout
Worker
Monument
Battering Ram
Battering Ram
Horse Archer
Horse Archer
Granary (buying the next HA with money from bulled CSes)
Horse Archer
My initial tech order was Mining, Bronze Working, Archery, The Wheel, as getting the ram ASAP allowed me to build them while teching to HAs, then going the usual Pottery-Writing path after that.
I had the advantage that my closest neighbours were AI civs (3 humans, 3 AI in this game) who didn't put up a fight, so there were no field battles to be had. I controlled five cities and had eradicated the Americans and Celts before turn 60 (I had four cities, including the American and Celtic ones, before turn 50 - it was just a long trek to Lhasa...)