UPDATE
Road to Berlin 1.1
New stuff:
-added unit ranking system: More enemies unit kills, more addons (ranks) it gets (like Red Alert 2 stars)
-changed airstrike model from modern plane to stuka
-airfields now have second upgrade at 20.min, replacing stukas with big bombers
-added ability to airfields to Request an Outside resource (+100 iron +50USD)
-changed T-80 model to Sherman
-added Commander (hero): Limited 1 per player
Abilities:
-place land mine
-reveal
-war cry
-added Buy Stocks ability to banks: You invest 200USD and get back between -50% and +50%
-added blood effects when human unit attacks another human unit with any type of rifle/gun
@airplanes: I will think about it, but since airfields now have second upgrade, airplane section is mostly covered. I will think about making some scout planes or something similar.