So far i have managed to get the game to work, but i can't get passed the main screen. as soon as i press 'a' it says that i have to download content that is required, and that i must sign in to XBL. I have to compatibility pack in the correct folder and the TU1 Update.
read this http://www.xpgamesaves.com/topic/135673-how-to-install-call-of-duty-black-op-3-on-your-jtagrgh-xbox-360-console/
