The city is conquered by damn terrorists who will kill whomever they see, and destroy whatever in their way. As a very brave man, you decide to be a hero—save the city and its people! HL2 Total Mayhem is a shooting game on www.flash-game.net in which your mission is to kill as many bastards as possible. Your enemies will appear from somewhere, and you don’t know where it is. Maybe it’s the top of the building, or may be it’s the street corner. So you need to be very alert and watch out every place where they could show up. Shoot them before they attack you. Pay attention to your health. You will lose your game if your health runs out. Good luck!