Hiyya I have just recently bought COD 4 today and in my first game i have been infected with something so all of my weapans, side arms, grenades and perks are all locked and I am level 10 so I know that I should have unlocked somethings, so can someone help me to solve this by leaving a comment telling me how to fix this or can you send me a message on xbox live my gt is zTMCz TWISTZz.