KISS Psycho Circus: The Nightmare Child Cheat Codes for Dreamcast

Invincibility
At the main menu, hold L + R and press A(2), B(2), X.

Kiss Pinball game
Place the game disc in a PC compatible CD-ROM drive to find an icon with the face of one of the Kiss members. Double-click on the icon to open the Kiss Pinball game.

Hidden music
Start the Dreamcast without a disc to access the audio CD player. Insert the game disc and play track two and higher to hear music from Kiss.