I had a game of this last night.
It was on a South American server.
It was utter mayhem. There were players occupying every area of the map. Players literally everywhere. There must have been several hundred in the map. You couldn't split because there was always someone close ready to pounce. Teaming was out of control, everyone was teaming, it was the only way to survive. It showed the true potential of this game, it was pure adrenaline pumping gaming madness.
It's a pity they can't sort out their match making problems. 90% of maps are unpopulated and boring. If they could sort out the problems so 90% of maps were as hectic as this one was, this game could go really viral.