For PvP I've noticed that almost everyone goes for kills, ignoring objectives like they're a cancer (especially for like control). What I'd like to see done as an expirement is have it so if you don't have any zones, any kills your team gets equals 0 points UNTIL a zone is captured, then it's 1 point per kill.
Again it's an expirement. Seen too many people ignoring zones and feel like this'll be a nice wake up call.
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Zone Control is the mode you want.