me and my friend went threw all the chapters on legendary and didnt get a challenge reward. Any one else unable to unlock challenges that you complete correctly?
as in spartan ops.
I have the same problem. I finished it Legendary solo, and didn’t get the challenge.
it happened to me i lost connection from xboxlive right before the xp toal came up at the end of the game. when i went back i didnt get the challenge. and i had to do it all over agian to get it