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.

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How a Modder Discovered Secret 'Gran Turismo 4' Cheat Codes 18 Years After the Game Was Released

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On this day 18 years ago (2005), Gran Turismo 4 was released for the P

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