Campaign Problem

I recently beat the Halo 4 campaign on Legendary in order to get the MARK-IV armor. But it never gave me the infinity acheivement so i looked at the completed missions and sure enough it was the only one not completed. I then re did the infinity mission and it still says i didn’t finish it on any difficulty. Any help would be appreciated.

Got the same Problem, finish Infinity twice but it didn´t count.

I beat all the missions on Legendary but didn’t get Mark IV armor? Why?

I have this same problem too, specifically with the Infinity mission like Tikro and Levy. I also did it a second time just in case. On Waypoint it says I’ve completed it on Legendary, but it doesn’t give me credit in game and I didn’t receive the achievement for it either. My friends have had issues as well. Definitely needs to be looked into.

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> http://www.youtube.com/watch?v=TieR7_hQ3pI
>
> This

Reported

I have a similar problem. I went through the entire campaign solo, on Legendary, but I never got the achievement for The Composer.

> > http://www.youtube.com/watch?v=TieR7_hQ3pI
> >
> > This
>
> Reported

Uhm reported for what?

I talk about that exact problem in the video, and its about halo 4 Campaign.

I hate people like you.