Cheats
- NASCAR Thunder 2003 - Daytona Easy win (Nuon)
- Nascar Thunder 2003 - Unlock Fantasy Drivers (Playstation 2)
- NASCAR Thunder 2003 - NASCAR Thunder 2003 quotMP3 Addonquot (PC)
- Nascar Thunder 2003 - Extra Drivers (Playstation 2)
- Nascar Thunder 2003 - Extra Drivers (Nuon)