What is the Cheat code to get a gravity booster

If it is Counter strike download Team fortress 2 first then google GravityCounterMachine and enter tf87qa4m5 ytrclpiua but to do this you have to have 2 copies of counter strike and redo it on the next one become friends with urself and join a group called Gravity F4 and there should be a link then click it and post atleast 3 messages to the CounterMachine and it should send u a email