The multiplayer honestly isn't as bad as people say it is. Playing this game almost makes me feel the same fun that I had when playing WAW, MW, MW2, BO.
I took a hiatus on buying CODS but I feel this one is actually worth spending money on. Gunfights are prominent, there isn't as much as jumping around as there was in AW and BO3 which is good.
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Cod 4 had a better story but then again, IW does have specialist difficulty...