It looks like the Game Developers Conference awards have selected Super Mario 3D World as one of the nominees for its Game of the Year award. This award series happens every year in San Francisco at GDC, a conference dedicated to developers and celebrating their successes. The nominees for Game of the Year are as follows:
Game of the Year
Gone Home (The Fullbright Company)
Grand Theft Auto V (Rockstar North/Rockstar Games)
The Last Of Us (Naughty Dog/Sony)
Super Mario 3D World (Nintendo EAD Tokyo/Nintendo)
Tomb Raider (Crystal Dynamics/Square Enix)
Super Mario 3D World will be facing some stiff competition. The Nintendo 3DS title The Legend of Zelda: A Link Between Worlds also received an honorable mention for the game of the year category. You can view all the awards nominees here.