Call of Duty 4: Modern Warfare2007
4 out of 5 stars
People are talking about COD4's experience-based multiplayer as a groundbreaking achievement in online shooters, and I find much to disagree about there. Basically, as you gain experience for kills and accomplishing missions, you open up more and more guns and mission types. There is a flaw with this system, which is that everyone starts out with a poorly aimed pea shooter of a gun and must unlock the ones that can…