Cheats > PlayStation > PSP > Gran Turismo
Cheats for Gran Turismo on PSP.
Note: This game is also referred to as GT PSP.
To play your own MP3 music files during races, complete driving challenge block B and you will unlock this feature.
To view the ending movie, complete the first group of driving challenges (A-I).
Complete the first phase of driving challenges (A-I) to unlock the second group of challenges (J-Q).