all | left 4 dead xbox 360 l4d 360 l4d xbox 360 xbox 360 l4d left4dead forums left 4 dead forums xbox 360 forums left 4 dead forum boards hunter smoker boomer witch tank glitches left 4 dead glitches guides tutorials insta kill high damage pounce no mercy blood harvest death toll dead air cr0wn the witch bill zoey francis louis infected survivors versus trailer dlc left 4 dead 2