Blues News reports on Barbarian Invasion, an upcoming Rome: Total War expansion pack. According to PC Zone magazine, the expansion pack takes place between 364AD and 476AD during which you play as one of the Barbarian factions (Vandals, Saxons and Huns) taking revenge against the Roman Empire, or play as the Romans trying to strike down the Barbarians. Battles can now be fought during the night, and the expansion will feature a number of new units as well. According to a listing on GameStop, the expansion is due in October.