Stronghold , Praetorians anda AoE IV They have good concepts of how to make walkable bridges and walls.

I'm not saying there aren't good ideas in mods, but they never make it into the base game.   That's why I was going to sit down and draw and make sketches, because apart from giving opinions and designing mechanical concepts, I can express myself by drawing doodles.

You should check out Classical Warfare   I think it might be the main reason people are "turned off" by it, reluctent to try it.  Its not as simple, almost identical civs, play styles as you find in the current base game.  It still has a lot of polishing to do of course.    

That's ok

How’s the performance? If I recall the reason the devs were hesitant to add something like that was because they didn’t think it could run well.