Plot: Asteroids is a space-themed multidirectional shooter arcade game designed by Lyle Rains, Ed Logg, and Dominic Walsh and released in November 1979 by Atari, Inc. The player controls a single spaceship in an asteroid field which is periodically traversed by flying saucers. Wikipedia
Plot: Son of Blagger, the sequel to Blagger, is a scrolling platform game created by Tony Crowther and released by Alligata for the Commodore 64 computer in 1983. A ZX Spectrum port by Elliot Gay and a BBC Micro port were released in 1984. Wikipedia
Plot: Agent X II: The Mad Prof's Back is a computer game released in 1987 for the ZX Spectrum, Amstrad CPC and Commodore 64. It is the follow-up to the ZX Spectrum game Agent X. The player takes control of the eponymous Agent X in a multi-load game made up of a number of sub-games. Wikipedia
Plot: Alcazar: The Forgotten Fortress is a dungeon action-adventure game, similar to Dungeon Master and The Legend of Zelda. It was released in 1985 for the Coleco Adam computer and accessory. There was also a port for the ColecoVision. It was created by Tom Loughry from Activision, graphics by Keri Longaway...
Plot: Accolade's Comics is an adventure game released in 1987. Published by Accolade and developed by Distinctive Software, the game intersperses arcade-style games into its plot. Wikipedia