He took a stab at overhauling Total War: Attila as well, and the result has been pretty awesome.
The startpos.esf file can be located under your 'Steam\steamapps\common\Total War Rome II\data\campaigns\main_rome' folder. We expose a tick on modifications and run game from him. After the game loads and once you’re in-game, you can start enabling different cheats! Mods For Attila.