The Sword & Arrow: European Wars Mod is a medieval RTS based mod set in Europe between early 1100AD to mid 1400AD, based off the American Conquest game, which boasts a 16,000 unit capacity on the map, unit morale system, realistic battle formations and zoom in and out mode.
Some knights raiding a village
Great, can you move troops on battlements?
At this stage not, but we are looking into this. Units can be garrisoned into any building.