Speed Kings GameCube Cheats
Speed Kings Cheat List
Enter the following phrases as your name before beginning to activate the cheats:
* 18 Best laps: .lapt18
* All driving tests finished: .test9
* All meets won: .meet6
* Finish Grand Prix Mode: .prix
* Respect Points: .prix[number]
Speed Kings Unlock Grand Prix Mode
Beat the best record in Time Attack mode.
Speed Kings Unlock All tracks
Earn gold medals in every event.