Overall Game of the Year
Gonna have to go with LittleBigPlanet PS Vita :o
PS3 Game of the Year
Journey
Wii / Wii U Game of the Year
Xenoblade Chronicles (If that counts, if not, nvm!)
PSP / Vita Game of the Year
LittleBigPlanet PS Vita
Best Shooter
Starhawk
Best RPG
Xenoblade Chronicles
Best Sports / Racing
Need for Speed: Most Wanted
Best Fighting Game
Playstation All-Stars Battle Royale
Best Action / Adventure
LittleBigPlanet PS Vita (Since you didn't include a 'platformer' option. If you don't count this, then nvm)
Most Anticipated Game of 2013
Tearaway