The game always ends with a tunnel that ends into space, signifying a win.
Bluemoon made a simple non-interactive hardware demo to be bundled for the Texas VR gear company titled Stellar Xpress which effectively was a more modern update to SkyRoads/Kosmonaut.
players: single player
input: joystick, keyboard, mouse
graphics: EGA, VGA
sound: Adlib, PC speaker, Sound Blaster
Abandonware DOS popularity: very low