To improve these skills I recommend to listen to music while playing deathmatch. When you listen to music, you don't hear every steps so you have to check more places. It's better than muting the game, because you can still hear some things...

This guy started popping heads at the start of the game and did that the entire game, had like 40+ frags by half. However, the game just continued with our team dying every round within 30 seconds and it just wont stop. We didnt surrender b...