CheatCodes.com has all the official Formula 1 '99 PSX cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Sunday May 26, 2013 for Formula 1 '99 are shown below.
Enter "RINGS" as a name at the Grand Prix mode high score screen.
Enter "SAFETY" as a name at the Grand Prix mode high score screen.
Enter "NIGHTS" as a name at the Grand Prix mode high score screen to race at night in a quick race at Monaco.
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