Call of Duty CW crashes Series X while replaying campaign mission (final countdown).

Occasionally I dip into a game a second or third time, but the only games I do it with often are the Call of Duty series, and then it's to squeeze the Veteran achievements or play a mission I really enjoyed over again. I think the last game I replayed was
Call of Juarez: The Cartel. I was on my third play-through before I had to return it to the rental place. I'm considering renting it for a few days just to blitz it for the final playthrough and get the achievement I was working on.

I have a series x and only on call of duty this is happening but its not just the game freezing or crashing its making my xbox freeze and bug out

No, the in-game tracker for it will take the information from 343's servers, which means it doesn't think you completed the Campaign on Legendary, even though your Achievements will say you did.

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If it bothers you, you can simply replay the missions that the Commendation has not been completed for, as this will tell you which missions need to be replayed while connected to LIVE.

I honestly have not enjoyed a Call of Duty since the original modern warfare, until I played Black Ops 2. Yes it is another Call of Duty but I enjoyed the campaign, I am still enjoying zombies and multiplayer. At least this time around they added to the
game with the new equipment in the multiplayer loadouts. Oh, massive pro is the pick ten system before every campaign mission, I also like that tactical side missions add on. All in all, I truly like this Call of Duty title

I replayed the campaign and was able to complete all Strike Force missions. Apparently successfully completing them will change the campaigns ending.