My Top 10 Personal Hardest Achievements

These are the Achievements that kicked my but and made me yell or possibly  bored me death.  

 

 11 You Ate All the Chips:
10. Perfectionist: Reach 75% completion in the normal mode or mercenary mode.
 This Achievement is not necceay hard but takes forever about 80 hours for me personally.

9. Perfect:Eat all ghosts four times within a stage!
This Achievement avoided me for months. It was also really hard but I finally got it. 
8. War Hardened: Finished the Single Player Campaign on Hardened or Veteran difficulty setting
This campaign wasn't really hard, but it does make the list for having this one level where I was stuck for 4 hours. It was terrible. 
7. I promise to kill you last
6.Serious Payne
5. Saviour of San Esperito
4. S.T.A.R 69 :Earn 69 stars in Special Ops.
3.Free Runner:
2. Biggest Bang
1. Hardened War Hero