Aerostar

Aerostar
Developers: Cyclone System, Sigma Pro-Tech Publishers: Vic Tokai Platform: Game Boy Released in JP: June 28, 1991 Released in US: September 1991 Released in EU: 1991 Released in AU: 1991 This game has a hidden level select.

Level Select

Enter Game Genie code FAD-DDE-E65 (US) or FAD-C8E-E65 (JP), then hold Select and press Start at the title screen to access a level select.

(Source: CaH4e3)