off the wall idea! if you have earned enough gold then you could use that gold to purchase High Command. since 13000 gold is $1 less than 31 days High Command maybe 15000 Gold for 31 days High Command. but that seems like a bit much too me
the should add a join/gather option. for when you want two units to join together before attacking a province and you can't gather them before you log off and can't get on to send the invasion in a timely fashion
they need a notification on diplomacy for when a coalition message is sent. some coalition members miss important info unless you send them a message to look at the coalition message, but then you might as well of just messaged them the coalition message in the first place.
they should at least limit the amount of gold that can be used per game. this would at least make it a level playing field for those don't sink paychecks into this game
infantry should have multiple research lines. regular infantry have their rifles. heavy has bazooka so they are weaker against regular but stronger against armor and air.
I recently started a new 100 player game and i have 3 subs but they are the 2nd 6th and 8th and the 6th is brand new so it should have a higher number than the others. also on the same game 3 fighters the 10th 11th and 14th. its like navy and air units are numbered in order with land units. ie, infantry 1st army, sub 2nd army
for the naming, they could keep it simple with 1st 2nd like they have now but not having the 103rd army when i only have 7 standing armies. an army to me has 20+ men. but maybe armies over 50 units could be customized like Iron Fist tank army. at the least they should add an ingame tab/button for military units( like espionage and provinces).
some quick ideas are... in game power score should be calculated with amount of land, size/strength of military and economic strength. units with 20+ units should be nameable( keep it clean) to help with troop organization and attack coordination.
did they have spy planes in ww2? it would be nice to fly an undetectable plane of someone's land with out causing a war. only can be seen by one type of unit like subs and destroyers
why not have different types of infantry units? ie. anti-tank with a bazooka. and not related but we should be able to name or number military units to make it easier to organize invasions.