Its been almost 3 weeks since I have had a Halo 1 achievement locked and since then 2-3 more have added the same boat. I grow tired of @ xboxsupport on twitter for help only for them to not be able to do anything. Can something be done to fix this?
If it says “Done! Unlocking…” then all you can do is wait. Its to do with the way XBox One handles achievements that’s the issue not the game