Can we play MW3 campaign coop ? I saw that game on website and in game info they wrote COOP with plutonium

Muhammed432
@Muhammed432
Posts
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mw3 COOP -
can we play extra missions?my and my friend have finished WAW campaign in COOP mode can we add extra missions mod and play together ?if yes how to do that?
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my friend doesn't appearResxt Thanks it worked !
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my friend doesn't appearI started a game in campaign world at war LAN mod me and my friend I created private match ,gave him my radmin IP and he connected and entered the game I see him in the game but he doesn't see me. how can we fix that