Tech
* Reduce overall effect from tech investment from 5 per turn to 4 (possibly 3?) to provide overall break on tech, which it's currently a bit too easy to rush
* Set Infantry Weapons to be on a 1-5 scale like most other things. Set Germany to start at level 2 not 1. Halve impact of increments to Infantry Weapons tech to compensate. Move some of the Infantry Weapons Tank Defence increments to Air Defence upgrades to reflect the historical role of AA units as AT defence. Issues with doing this - the total investment in infantry will go up (as you can't set a per-point cost increment to less than 5) - may be undesirable by increasing overall infantry cost, but can make base infantry cheaper to compensate; and Russian infantry will never reach parity (as can't increase cap above 5) - this at least is fairly historical (even at the end of the war, the Russian infantry was still worse unit-for-unit than other nations)
* Increase costs of the non-upgrade techs - as there appears to be no way to delay them - Armoured Warfare in particular is too much of an obvious choice for everyone immediately, historically the Allies didn't have any chance of developing this before end 1941.
Units
* Submarines. Reduce max strength value and MPP costs. Increase the base Dive% one notch. Reduce the naval hidden attacker bonus. Currently the submarine war tends to be too concentrated - if submarine units represent smaller "chunks" then the gang-up-on-a-sub strategy has higher opportunity costs. Also, currently, destroyers take painful losses when accidentally bumping into submarines - not historical.
* Generally increase naval spotting ranges slightly/somewhat
Setup & Events
* Split submarine units into 2 or so (consequence of change to counter strength)
* Amend Malta events so that if Malta harbours are damaged, Axis negative supply is less likely to occur - gives Axis historical incentive to focus on Malta (Consequence: AI won't know this, so possibly amend for AI as well?)
* Set up Italian convoy from Africa to Taranto or somewhere. More incentive for the Allies to actually interfere with Italian supply lines. (Historically, this is a bit the wrong way around as it was goods going *to* Africa that was crucial not the other way - but the convoy mechanism doesn't model that)
* Give Italy a Maritime Bomber unit at start to represent significant torpedo bomber etc units that made central Med a difficult place for the British navy - hopefully resulting in more caution from Britain when playing Allies vs AI.
* Turn the Afrika Corps and Brits Mobilise in Egypt events into AI-only helper events
