How do you get falxmen in Rome Total War? I have checked the building plans and I can't find them. I understand that you need to be Germania. Is it just a rare unit you can recruit like druids?
It is possible to play as any faction by changing the
This website will be helpful (if you're not confident in changing game files I wouldn't do it).
This will tell you how to change all the factions in the game into playable (all but rebels, as rebels = slave), even the main Roman Senate faction. Playing as Rebels/slaves or Roman Senate is buggy so not recommended for regular play.
The section of
Bonus tip: You can look in the building browser of cities you do not control to see the units/buildings for that faction.