Nascar Challenge Game System: Apple Macintosh Cheat Category: Cheat Game Company: Konami Game Category: Racing game Hint, Cheat, Walkthrough:   Nascar Challenge ================ Change your car's speed 1. Choose a number. the lower the number you choose, the faster you go. 2. CODE 12, offset 05D8 change "0062" to the desired value (hexadecimal)