The retreat tactic in the game that you'll like the image quality we're aiming with a weapon with game. Each chapter you will meet much more powerful than the previous one, the assault team will need to know. When you start the game you must hit the enemies in the area of Defense. How many enemies you kill, your weapon at the end of the chapter, the more you can earn money that you can improve. Do not forget to improve your weapons at the end of the chapter, otherwise you may not be able to pass the section. You need to shoot carefully. After a certain number will need to fill out the magazine from the gun. You may do so using the Space key for this.