A hunt for challenging Mod Nations!

[Cerlin]

Hello Everyone,

I was wondering what mod nations you all feel are either well balanced or strong to fight against that would help spice up the single player. While I really do enjoy multiplayer games, I also enjoy single player and I recently found that playing a single player with Args dis really upped the challenge that the computer AI offered.

So My main question is, what mods would you all recommend for helping up the challenge in single player? Which ones do the computer use best to make a good game? Thanks!
-Cerlin