642 Dark Ages upgraded to 634 Fire & Swords. Here are the most important differences:

1. More factions are playable, all exept Lazica & Alan Hordes (no space on frontend left)
2. ERE has 2 Exarchates
3. Gewisse (Wessex) are in game
4. The Muslims got the Hun Scripts
5. Some dynamic faction renamers
6. More civilized Barbarians are only able to build Roman towns
7. and have Roman fields
8. and have a military recruitment building
9. Barbarians have a new military port "light". They need to conquer a non barbarian military port to build roman ships
10. AI recruits more cavalry, so less spear spam and more exciting battles
11. Some Last Roman and AoC generals are in game
12. More buildinges are named in old languages (renamer mod to modern english available)
13. All frontend faction leaders are ingame, on map, in battle and in family tree
14. Some changes for AI will make the game more interesting
15. Supply system is optional, reworked and separated from 634 main game
16. Provinces are renamed as accurate as possible
17. Turk tribes got a real Turk/Oldturk name setting
18. AoC Byzantine name setting is overhauled in game
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19. Byzantine units, desert defectors & 5 celtic bow units are reskinned. I started with reskinning the Muslim units.