Having trouble with Nightmare Mode? Want to climb the ranks in multiplayer? I made a video that will walk you through some of the advanced strategies that explain how high level players think about the game. Learn how to get your economy going fast and most efficiently utilize your weapons and defense. I also explain how ‘player attention’ is a resource in the game and how you can use that against your opponent:

I’ll probably do a ‘part 2′ follow-up to get more specific on each map and cover individual weapons.