3DS: Mario
Wii: Skyward Sword
PS3: Uncharted 3
Multiplatform: Skyrim, Portal 2, AC: Revelations, I guess
GOTY: Skyrim, Skyward Sword, Portal 2
I dunno.
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This is what SuperNiceDog did to me in the Guru: http://i43.tinypic.com/dgwh0.gif
http://www.majhost.com/gallery/atukam/OHWD/snownd.gif