At the Title Screen (where Juno and the others run towards the screen) enter,
Once entered you will see it appear in the bottom-right corner of the screen!To turn the code off you need to, Enter the code again on the same screen to turn Debug mode off.
I found this code back in 2003 and now released it to the public.
|C-Left, C-Right, C-Up, C-Down, R, L, L, R, C-Up, R, C-Down, R, L, C-Right.||Activates Debug Mode/Shows debug level names etc... If game freezes, the Console debug will display.|