Originally Posted by VVh1pCr3am
A weird order shouldn't matter as I did the same thing. The only thing I could suggest is playing them again which I know is what you don't want to do.
ahh well i appreciate the help m8
.... out of intrest... to buy EVERYTHING in the store... you have to have completed ALL secondary objectives..... if that is the case i have more proof i have done them all as i bought everything and got the achievement :L