Forgotten Worlds (TurboGrafx-CD)

Forgotten Worlds
Developer: Capcom Publishers: NEC Avenue (JP), Turbo Technologies (US) Platform: TurboGrafx-CD Released in JP: March 27, 1992 Released in US: November 1992 This game has a hidden level select.

Level Select

At the option menu, perform the following steps:

1. Set Player to 1 and Sound to BA.
2. Highlight Level, hold Select and press II.
3. Set Player to 7 and Sound to A9.
4. Highlight Sound, hold Select and press II.

If done correctly, a number will appear to the right of Exit. With Select still held, press II to choose a level. To go to the chosen level, hold Run + II and press I to return to the main menu, then start the game.

(Source: yamada_arthur)