Gekitotsu Dangan Jidousha Kessen: Battle Mobile

Gekitotsu Dangan Jidousha Kessen: Battle Mobile
Developer: System Sacom Publisher: System Sacom Platform: SNES Released in JP: June 25, 1993 This game has a hidden level select.

Level Select

At the title screen, press L, R, Up, L, R, Down, L, R, Left, L, R, Right. The screen will flash and a sound effect will play to confirm correct entry. Next, enter the options menu and play a music track between 01 and 06. Finally, head back to the main menu, highlight either 1 player game or 2 players game, hold L + R and press Start to go to the level corresponding to the number of the chosen music track (01=Level 1, 02=Level 2, etc.).

Additionally, choosing music track 07 or higher will access the ending credits.

(Source: Makainyumon)