Gran Turismo 4' Cheat Codes Discovered 18 Years After Release

Gran Turismo 4 came out in 2005 on PlayStation 2. Now, a game modder has discovered secret cheat codes that break the game wide open. Here's how he did it.

Why Gran Turismo 4 is the series' peak, so far

New modifications for Gran Turismos, NASCAR Dirt to Daytona, and more

Update: Gran Turismo 7 Is Back Online, Polyphony Digital Apologizes And Addresses Microtransactions - Game Informer

Retro - Trailer - In-game cheat codes have been discovered for Gran Turismo 4 almost 20 years after its release

Gran Turismo (PlayStation Portable) - The Cutting Room Floor

Best Gran Turismo 4 Posts - Reddit

Gran Turismo 7 Cheats & Cheat Codes for PlayStation 5 and PlayStation 4 - Cheat Code Central

New modifications for Gran Turismos, NASCAR Dirt to Daytona, and more

TOCA Race Driver 3, Fifteen years later

Gran Turismo 4 Cheat Codes Discovered Nearly 20 Years After Release - IGN

Want to know the Formula 1 cheat code for continuous innovation?, Insider. posted on the topic

JDM Wars: Pleiades - Race Photos by GTR365_, Community

The 10 Wildest Cheats, Secrets and Easter Eggs in Racing Game History