the extended vs. CPU and puzzle/mission packs, which i recently downloaded, are not accessible to me through the main game, as far as i can see... i have the "full game" version, which i assume is the same as the "standard" game...
can anyone tell me what i am missing? has anyone else had this problem?

This happened to me the other week and I was like wtf. I went back to the dashboard and then came back into the game with all my dlc available. You might have a licensing issue as well, make sure your dlc is licensed for your box and then download that dlc again.

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