Minor Annoyance
Deity
There seems to be so little space between the ironclad and the destroyer it's hard to figure where it won't go obsolete before you even get it. Best I can think of is put the destroyer with electricity plus require combustion, and put a new ocean steam ship at combustion or railroad. I don't know what the right thing is.
On a similar subject I think a siege weapon between trebucket and cannon is needed. Like the trebucket was added because it was a pain using the catapult against cities with it's low attack power, there still isn't a good field siege weapon. Something that combines the treb and cannon. Like
8 with +50% vs. cities at gunpowder. It is historically inaccurate though as early gunpowder siege weapons were much better at attacking fortifications than in the field so as it is the game does reflect reality.
On a similar subject I think a siege weapon between trebucket and cannon is needed. Like the trebucket was added because it was a pain using the catapult against cities with it's low attack power, there still isn't a good field siege weapon. Something that combines the treb and cannon. Like
