Gyruss, originally released in arcades in 1983, is a vertically scrolling shooter where players control a spaceship that moves along the bottom of the screen, shooting at oncoming enemies. The NES versions, released in 1988, maintained this core gameplay, known for its challenging difficulty and unique visual style.  Konami developed and published this classic, showcasing their mastery of the shoot 'em up genre.  The beta version's inclusion signifies the development process and likely contains minor differences from the final product, adding to its collectible value amongst fans of gaming history.

Gyruss (Japan) (Beta) (1988-10-03)

Gyrodine (Japan)