Well after my friend left yesterday I decided to continue his hard difficulty mode and I actually got my own achievement. I've been crazy now at getting achievements everyday I get a new one, but my favorite one right now was Win the War in Call of Duty 4. I was like hell yeah because for me, the single-player took a while. After the credits I noticed there was an extra mission, which was the best thing out of the whole game for me. Your in a plane and you have to find a VIP but the VIP is held hostage so when you find him it goes slow-motion and you kill the guy that captures him. I shot him in the leg. Then you jump out of the plane. It was just awesome