I think there has been some serious issues with the Halo MCC achievements not popping once they’ve been completed. Not only myself, but sever people have had problems with unlocking legendary progression achievements in a couple of games (Halo 2 and ODST; got all of Halo CEA). I think my biggest concern rn would be the achievement system working because they haven’t even gotten it corrected with the MCC. I miss Bungie tbh…
I don’t personally believe it has much to do with MCC specifically, I’d say it probably has more to do with the achievement functionality of the Xbox One itself. MCC isn’t the only game that has given me trouble with achievements. It has a lot to do with you needing to be connected to XBL to have achievements pop, so when they have service issues it can leave some achievements you met requirements for in a limbo state.
As for bugged or glitched achievements they’re gonna happen, especially in a game with 600 achievements…
So will Halo 5 have issues, possibly, but I wouldn’t really put that down to 343 after all Halo 4 had little to no problems with achievements as far as I remember.
I thought we were in the Halo 5 forums. lol
What I want for Halo 5 Achievements is along the lines with Reach.
- Beat the game on normal 25G
- Beat the game on Heroic 30G
- Beat the game on Legendary 125Gs
- Complete every level on Legendary… alone 150Gs
5.And Beat the last level. 10Gs
That was the best feeling when I beat it by myself and it was just ba-ding after ba-ding
If you look at the forums for pretty much any game, you will see threads about issues with achievements unlocking. The way Xbox One tracks achievements is online, the game has to contact a server, verify the criteria has been met then the achievement unlocks. If the server was down at the time, it can take up to a week (sometimes more) for the achievement to pop which is why many get “Done…Unlocking”. Previously this was all done on the disk/local hardware. Now some are just genuinely glitched and are (usually) fixed with a patch.
It was changed to stop hackers unlocking achievements through mod tools. Now, they can’t do this because a server has to be contacted to make the change. If there were service problems, the there should be code in-place to cache the file which tells the system that you’ve met the unlock criteria, then when the connection is revived, the server is notified (and so on).
MCC was very buggy. With the way it was built (4 games in one application), it wouldn’t surprise me that things aren’t functioning well. I’d blame it on the game, and not XBL, if I were to make a judgement 
It’s an Xbox one problem not a halo problem.
Even though Halo MCC has a lot of issues I don’t believe achievements is one of them.
Plus, when you open the “Achievements” app in the home menu, not even 1/3 of the achievements appear in the menu. You have to snap the app or view them in game via career to see them all.
Guys
I’ve also had the same problem … I was happily working my way through all the Legendary levels in MCE. Halo 4 = check, Halo 3 = check and Halo 2 = didn’t recognise that I’d finished the last mission (#15). Worst still, it doesn’t even show up any save points in the Mission for me to continue from and just shows 14 / 15 completed and the 15th not started.
Seeing how many people have been experiencing the same problem here - this bug is putting me off getting other games from 343 as I never had the problem with Halo’s from Bungie. Some comments indicate that it could be a problem with the Xbox Servers / the way Xbox one does things but to an end user - it an MCE problem and the publisher needs to fix it.
Unfortunately my enthusiasm for finishing MCE not knowing whether it’s going to work second time around and even getting Halo 5 is waning because of this frustrating problem.
Is there anyone out there that can take ownership of this and get it resolved once and for all.
many thanks
regards
Sandecker
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> I think there has been some serious issues with the Halo MCC achievements not popping once they’ve been completed. Not only myself, but sever people have had problems with unlocking legendary progression achievements in a couple of games (Halo 2 and ODST; got all of Halo CEA). I think my biggest concern rn would be the achievement system working because they haven’t even gotten it corrected with the MCC. I miss Bungie tbh…
- MCC is 4 separate games all bundled together.
- MCC was done by separate companies, and smooshed together.
- Halo 5 was completely done from start to finish by 343i, and by a separate entity than that of MCC.
- This crap of everything being compared to MCC is getting old, and annoying. It’s not the same. Stop it.