Hello- I seen that you linked this question from my question that I had a few months ago. I did get the trophy but the reason why I didn't get it from the start was because even though I strictly remember playing all the missions on Hard the first and second mission said I completed them on normal or easy, don't remember. I simply went back and played both these missions and when I finished both of them and then the trophy popped up. So- go to the missions tab and see if all the missions say you completed them on hard even though you know you played them all on hard. If they all say they were completed on hard then I'm sorry but I don't know why you aren't getting the trophy as I am only speaking from my experience. I know how frustrating and angering this can be because I was in your shoes too. OH AND IMPORTANT TIP: When I played online it deleted the campaign play through and I had to start from scratch so avoid playing online while you play the campaign as for some reason it sometimes deletes the save. - Azure Radec
