LOL, i have 451/452 achievements cuz the remaining one is broken , there is a lot of other broken achievements as well.
Relic do not care about anything that does not generate them money .
I reported many broken achievements on the official forums , and all i got was copy pasterino generic answers. don't waste ur time complaining
Well, my comments were simply removed or ignored...none of them is a customer friendly attitude if you ask me. Fortunately, I have not come across with any broken achievements and I unlocked 420 out of the 452. However... I despise these "time based and preorder based" achievements. Achievements should be the mesure of someone's devotion to a particular game.
The MWNL achievements hinder players to achieve 100% of their beloved game since they have no chance to get them if they did not participate last year or bought the game after 2015 February. Relic's decision about this just shows their lack of thoughtfulness in this regard.