User blog comment:Callofduty4/Infinity Ward discussion/@comment-3123696-20110205042828/@comment-3281539-20110205212307

Mw2s campaign also suffered from the same "rollercoaster-ish" liniarity that BOs campaign suffers from. It was also very short. The reason i would pick it over BOs campaign (and i would) is because it had a lot more actuall gameplay. It also had better AI.