When I finally were at war with the Seleucid I wondered why they have so many low tier buildings. Lvl 1/2 cities and others were pretty low, too.

I'm now shortly before going against Egypt and sent my first agents there and now ~3 turns after my first agent attacks. Alexandria Lvl 1 city. Lvl 1 harbor.... ehmm...
I reverted back a few turns and there everything is at its finest Lvl3 city Lvl3 (military)harbor.

So either the AI runs a scorched earth tactic or something is definitely going wrong here.


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Checked other old saves as well: Nicely built Seleucid Empire.
Didn't experience this at my game start with barbaric factions and v1.0