It's a quick turnover game...kill, die, respawn. A lot like old time deathmatchers Doom and Quake in that regard.

The key to big kill numbers it to quickly identify spawn points and try to get behind them. If you constantly run into the teeth of the spawn, your K/D ratio will suffer.

If you can't get behind them, find a protected area and let them filter out to you. Don't stick your nose out until you at least have 1 kill.