Enter "HEDGEHOG0" as a name, but do not press [Enter], to enable cheat mode. If you entered the code correctly, you will hear the sound of an engine rev. Press [Backspace] to return to the first letter of the name. Then, enter one of the following names to activate the corresponding cheat function. To enter more codes, do not press [Enter] after the confirmation. Press [Backspace] to return to the first letter and enter another code or any desired name. Note: The cheats may not be enabled in practice mode.