We have 3 cheats and tips on GBA. If you have any cheats or tips for Cartoon Network Speedway please send them in here. You can also ask your question on our Cartoon Network Speedway Questions & Answers page.
First win 6 quick races then win 2 challenges than go to the cups don`t say it did not work cause it does
Enter 05721735 and unlock three new characters and powerups four tracks and two trophies.
Master Code:
Password: 96981951 (unlock every bonus)