Sagaia (Genesis)

Sagaia
Also known as: Darius II (JP) Developer: Taito Publisher: Taito Platform: Genesis Released in JP: December 20, 1990 Released in US: 1991 This game has a hidden sound test. This game has a hidden level select.

Level Select

At the title screen, enter C, A, C, B, C, A, B, A, B, C, A, C and "ZONE SELECT" will appear at the bottom. Start the game to access it proper.

(Source: James lines and Alex Whitfield (Computer & Video Games, issue 125 (1992-04)))

Sound Test

Get a high score (minimum 150,000 points), then enter ZTT as initials. "ZTT" refers to Zuntata, Taito's in-house band and sound team.

(Source: GameFAQs)