If the console does not open, add -console to your game’s shortcut target line. Example: "C:\Program Files\Rome - Total War\RomeTW-BI.exe" -console
If you want to spawn a unit of Comitatenses (Roman heavy infantry) in the city of Rome with 3 units, high experience, and max upgrades, you would type: rome total war barbarian invasion unit id list
The Romans in Barbarian Invasion are defensive, heavy-infantry based, but fractured. If the console does not open, add -console
Unit IDs often differ from their in-game display names. Note that IDs must be enclosed in quotation marks if they contain spaces. Roman Units (Empire & Rebels) : barb_peasant_west_roman Comitatenses : comitatenses First Cohort : first_cohort_comitatenses Limitanei : limitanei Auxilia Palatina : auxilia_palatina Plumbatarii : plumbatarii Praeventores : praeventores Scholae Palatinae : scholae_palatinae Graal Knights : graal_knights British Legionaries : british_legionaries Monks : romano_british_monks Barbarian & Horde Units Axe Heerbann : axe_heerbann Sword Heerbann : sword_heerbann Saxon Sea Raiders : saxon_sea_raiders Saxon Keel : saxon_keels Gallowglass : gallowglass Chosen Axemen (Alemanni) : chosen_axemen_alemanni Night Raiders : night_raiders_alemanni Steppe Heavy Spearmen (Huns) : steppe_heavy_spearmen_hun Steppe Horde Chosen Warriors : steppe_horde_chosen_warriors Berber Axemen : berber_axemen Sassanid & Eastern Units Clibinarii Immortals : clibinarii_immortals Sarmatian Armoured Archers : sarmatian_armoured_archers Sarmatian Noble Cavalry : sarmatian_noble_cavalry Mounted Nobles : mounted_nobles Tips for Finding More IDs Note that IDs must be enclosed in quotation
The WRE focuses on heavy infantry and fortified garrisons to hold back the tides of barbarians.