Every match I've played as OKW with competitive mod has found me struggling to stay on the field. There was never enough manpower for anything.
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I don't play okw nor have I played the mod and my experience recently is limited to usf 1v1 vs opponents in the range of 350 - 650 most of the time.
My build is usually 4 rifles, captain,pak howie, stuart then either sherman, pershing, m10 or jackson depending on the game. I usually go bars, sometimes flamers but usually not nades.
My experience recently is okw do not have any trouble spamming units and maintaining field presence.
Last game my opponent build 5 volks, 5 sturms 3 panzerfuisillers, 2 rekketon, an isg, all 3 trucks and finally KT. I think I lost unit wise, 1 rifle and 2 flamer engineers that exploded ( that seems to happen a lot ).
Edit : before an idiot claims pop cap, I obviously killed a number of squads.
I could have played better and this is not a whine, rather me trying to make a point that okw seems to have ample mp in current patch and they should be able to handle upgrades manpower wise.
What amount of manpower, well that remains to be seen but I think any move to get okw towards combined arms or specialist units rather than an a-move horde is a good thing.
Edit : usf has similiar issues, although I think usf bleeds out before okw...