Hidden Warning Message
If you place you Speed Devils Online Racing Dreamcast disc in to a Cd player it will play a warning message.

Speed Devils Vmu Game
You will first need 32 blocks of free memory on your VMU. Put on speed devils and enter championship mode. Enter your name, and race at least one time. Insert your VMU at this time. Now select the save, Load option (the vmu picture) and save. Now take your vmu out of the controller. Press sleep to turn on your VMU and go to the game option (the cards picture.) Now youll be able to check out your championship satus without your Dreamcast.