Combat Cars Cheats (Genesis)

In the options menu, highlight exit and, while holding down buttons A, B, and C, press the
start button.  when you press it, you will see "cheat enabled" under the picture.  exit
out, and when you see the screen which tells you what course you are on, press the mode
button to change the course. the only thing is that you need a 6-button controller for
the mode button. You can now choose between all 24 courses.