Rock 'N Roll (Rainbow Arts, 1989) Level Select: When asked for your name, enter "RAINBOW ARTS". This enables level selection using the following format: Level number, XX, four digits that sum to the level number, XX, and the level number in reverse order. Example: Level 14: 14XX4442XX41 Level 20: 20XX5555XX02 Keys F3 to F9 add extras. F10 advances to the next level. Map Cheat: Enter "MAGIC MAP" as password to have the overview map fully drawn from the start. Music Menu: Enter "COUNTRY" to open a music menu.