Quote Originally Posted by Aonar
The only way to find this out is that we meet in lobby and try this out. So far spears counter cavalry good enough for me (I admit that sometimes I back them up with a cav unit)..there could be something I'm not aware of it - yet.

I've seen many people using option ''all'' instead of era and you are able to chose between many variety of units.
I prefer all periods just for fun.