How these secret cheats in Gran Turismo were found So how did pez2k discover these 14-year-old hidden cheat codes in a PSP game?

Back in 2009, Gran Turismo came to PSP. Despite being one of the platform's best-selling titles, it's only now - 14 years later - that one fan has managed to discover the hidden cheat codes lying ...

Get all the inside info, cheats, hacks, codes, walkthroughs for Senjou no Valkyria 3 on GameSpot.