User blog comment:Damac1214/Black Ops II - Rank Progression details revealed/@comment-5150910-20120909162404/@comment-1263839-20120911180213

Now in the Call of Duty Universe = MW3, easiest game to level up in... of all time. Saying another game (except the Mann vs Machine portion of TF2 or the Demo of Fall of Cybertron) is easier to rank up in is lies.