Hmm lets see, this year I've beaten (in no particular order):
Xbox 360:
-Gears of War*
-Gears of War 2*
-Dead Space 2
-Deus Ex: Human Revolution
-Maybe Portal (might have been late 2010)
-Portal 2
Wii:
-Zelda: Skyward Sword (twice, once on hero mode)
-Super Metroid*
-Fire Emblem: Radiant Dawn*
3DS:
-Mario 3D Land (including all secret worlds and S8-crown with mario and luigi)
-Zelda: Ocarina of Time 3D (twice, once on master quest)**
-Zelda*
-Zelda 2*
-Zelda: Link's Awakening
-Zelda: The Minish Cap*
-Mario Bros.*
-Metroid*
-Super Mario Land
-Super Mario Land 2
-Metroid 2*
-Dark Void
-Metroid Fusion*
-Yoshi's Island*
*Games I have beaten before 2011 but played through them again.
**Beaten Ocarina of Time and master quest before, just replayed it on the 3DS.