
1) Amstrad CPC game 2) Commodore 64 game 3) ZX Spectrum game
Found on
https://www.crosswordclues.com/clue/zynaps

Zynaps is a side-scrolling shoot `em up video game published by Hewson Consultants for the ZX Spectrum, Amstrad CPC and Commodore 64 in 1987 and for the Atari ST in 1988 and the Amiga. It was authored by Dominic Robinson, John Cumming and Stephen Crow, and the music was by Steve Turner. The graphics for the Atari ST and Amiga versions were by Pet....
Found on
http://en.wikipedia.org/wiki/Zynaps
No exact match found.