Barbarians: Civ4 Warlords Mod now updated to Beyond the Sword 3.19
Author: FIRAXIS Games
Single Player: you play as the Barbarians and have one objective: erase all Civilizations (on random maps)!
Uploaded on 19 February 2016
Unzip in BtS/Mods folder (Charlemagne, etc). Load BtS, then the Mod.