OK we are close enough to the end of the year to start this.
My favorite games in alphabetical order:
Far Cry 3
I don't think I have a 4th or 5th that I think I've enjoyed on the same level as these
The would probably be on my list if I played them:
Mark of the Ninja
The I really love it but not quite upto the level of the top games this year:
The WTF I never saw that coming game: