Relic most stop balancing for 1v1 when 2s and up are the most popular types of games for the community.
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This... but won't happen. 1v1 is pro am i rite! Totally going eSports 1v1. :-D
Another thing is, that you can really just tech very quick now, which means every light vehicle except for su-76 and stuart are mostly pretty useless since puma is a hardcounter to t70, m5, m20, Flak HT. In my opinion the mechanized truck fuel cost should be a bit increased.
But to counter an KT at this early state needs way more teamwork and can be punished easily since Stuka will probably there too so you can rek the AT guns stopping your KT from making a move. so the pressure on allies will be unbearable under a time and you get forced into making mistakes and losing some units. Getting a Zook-Blob is seducing then, but 1 Ostheer Panzerwerfer punishes that decision aswell. So as allies, you will have to have an AT force and use it together. I guess Mark Target will make a huge comeback these days
Also Mr Serious, not only 4v4, 3's are the same aswell as 2v2 i'd say.