Fans of historical accuracy will be delighted with Europa Barbarorum, easily the most well researched of the mods on this list. Five new factions have been added to diversify the barbarian forces, and all of the vanilla factions have been rigorously reworked to bring them closer to what modern scholars know of the era. This is an essential download for history buffs, or for anyone looking to get a more detailed and challenging experience from their copy of Rome: Total War.
Source: Pcgamer.com