The game is worth every penny IMHO. But you may want to ask yourself why you want to play it? Single Player or Multiplayer? If you prefer SP games, there are none that will currently give you the insperation to play more then COD.
IF you prefer MP gaming, well....IMHO I'm not currently satisfied. I hate the bunny hoping cheating sometimes lag filled servers. I compare this game to BF1942, a similar FPS. BF1942 Multiplayer is much better IMO, although some of the same problems exist...I just had more fun in BF1942. I do however enjoy the many different means to play in COD: Capture the Flag, Free For All, missions, etc..etc.. They do have much more variety.
COD has the potential to become so much more with MODs and Add-ons. I hope they see some excellent ones soon.
Is this game worth getting. Yes. I have it, love it, I just don't play it much because Ive made it thru the single player campaigns, and the MP hasn't impressed me much. I've preferred AAO for MP gaming due to it's better graphics, realism, and Teamplay...but that's just me.
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Fates