how to play cod 4 online

Call of Duty 4: Modern Warfare is a first person shooter game for the PC, Playstation 3, Xbox 360, and Nintendo DS. All four platforms have multiplayer capability but only the PC, PS3 and Xbox 360 have the ability to play the game online. The Nintendo DS is capable of multiplayer using a feature, known as multi-card play, which is a local area wireless connection which allows up to four Nintendo DS gaming systems to connect and play together. You will need to have a paid Playstation Network Membership or Xbox Live Network membership and a high-speed Internet connection to play online.

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