Plot: Rigel's Revenge is a text adventure published in 1987 for the Amstrad CPC, Commodore 64, and ZX Spectrum home computers by Mastertronic on their Bulldog label. It was written by British studio Smart Egg Software using a heavily modified version of The Quill, an adventure-authoring package. Wikipedia...
Plot: Streaker is an action game published by Mastertronic on their Bulldog label in 1987. The game was released for the Amstrad CPC, MSX, ZX Spectrum. Wikipedia
Plot: Soul of a Robot is a video game sequel to Nonterraqueous for the ZX Spectrum, Amstrad CPC and MSX, released by Mastertronic in 1985. It was sometimes called Nonterraqueous 2. Wikipedia