Quote Originally Posted by Valcorn View Post
-Get some EMP grenades and a Zipline. goto the roof where you get the DSC_1_Thermal sniper. find a place where you can deploy a zipline. stand under that spot and throw an EMP grenade at you feet. When you see a white screen and you are blind, deploy the zipline and walk forwards. You will be floating in mid-air. If you run into a wall, you will become invisible, and your bullet sounds will become silent.
Refinery^^ its a glitch