Gran Turismo 4 cheat codes discovered nearly two decades after the game's release - Variable

A player had discovered cheat codes for Gran Turismo 4. The codes remained hidden in part because they only become available once 365 in-game days have passed. Read more at Variable

Gran Turismo 4, Gran Turismo Wiki

Gran Turismo 4 Cheat Codes Discovered Nearly 20 Years After Release

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

Gran Turismo 4, Gran Turismo Wiki

Cheats found in GRAN TURISMO 4 after almost 20 YEARS

Gran Turismo 4 Cheat Codes Discovered 19 Years Later - GameSpot

The 10 Wildest Cheat Codes and Secrets in Racing Game History

NEW CHEAT CODES to Gran Turismo 4 are DISCOVERED after 18 YEARS

On this day 21 years ago (2002), the Microsoft Xbox was released

Gran Turismo 4 Cheat Codes Discovered Nearly 20 Years After Release

Cheats found in GRAN TURISMO 4 after almost 20 YEARS

After almost 20 years, in-game Cheat Codes have been discovered