The King of Route 66 was originally an arcade game, meant to be a sequel to Sega's 18 Wheeler: American Pro Trucker.
Debug Menu#
Apply the below code and press L3 to be taken to this menu. Not all of the test options work anymore. You will need to press D-Pad Up / Down to move, and Circle button to confirm an option.
USA Code:
Press L3 for Debug Menu
D04ED34E 0000FFFD
204E0FDC 00000000
The text for this can be found at 0x2EE720 in SLUS_205.22.
(Source: Original TCRF research)
SOUND TEST#
Your typical sound test menu.
PUPPET TEST#
This menu allows you to view cutscenes and various model animations.