EET Lessons: Left 4 Dead (Strategy, Tricks, Tips & Slap the Witch)

This is embarrassing, have you seen yourself play lately? I mean really, you shouldn't go out into public servers with game that bad. Your own mother, yeah the one who thinks Pong is still the "hip" game you crazy kids play these days, even she is planning on disowning you for that terribad strat you just had to try out.

LEET Lessons is the tourniquet for the gushing head wound people are getting from banging their heads into the desk watching you play.