Sony Computer Entertainment Japan (SCEJ) has award Final Fantasy XIII its Platinum Prize, something which is awarded to titles which manage to sell more than one million units.
The Prize was awarded at the 2010 PlayStation Awards, and Final Fantasy XIII was the only title to actually be given the Platinum Award.
Final Fantasy XIII was also given one of their User Choice Awards, which was vote for by Japanese fans. Nine other games were given the award, including God of War III and Call of Duty: Modern Wafare 2.
Source: Final Fantasy Union