Originally Posted by jpg30
so is it 100% now that you can get all these achievements on all DLC in private now as i still keep seeing posts from people still not able to unlock some of them?
Yes. All except for the "Golden Artifacts" achievement are obtainable in private matches.
151/152 games completed (including DLC)
Completion percentage: 99.90%
Latest retail completion: Crysis
Latest arcade completion: Dust: An Elysian Tail