Smash isn't really a fighter though, at least not in the traditional sense. The implementation of percent based damage, a lack of traditional combos and item use shift the gameplay so dramatically that I can't really consider it a fighter. That being said, it kicks ass.
My Games of 2011:
The Legend of Zelda: Skyward Sword
Elder Scrolls V: Skyrim
Super Mario 3D Land
Uncharted 3: Drake's Deception