This was tucked away in the news for the final BC wave but it's awesome enough to have its own thread. Just update your games on XB1 and the content will be added.
If I recall correctly the Xbox DLC missions for the first game never made it to the HD collection.
It's a shame we never got Halo 2 just to have everything in one package for the original release but I suppose the MCC makes it a moot point.
If I recall correctly the Xbox DLC missions for the first game never made it to the HD collection.
Additionally, we are releasing Original Xbox downloadable content packs free of charge today to current and future owners of the following games, available automatically via content updates on Xbox One:
It's a shame we never got Halo 2 just to have everything in one package for the original release but I suppose the MCC makes it a moot point.