No idea. It would either have been on an Amstrad PC1512 or an Acorn Electron.
Some of the earliest PC games I played were stuff like... Beast, Pango, Xonix, Sopwith, Rogue, Alleycat, 3-Demon, Digger.
Acorn Electron... Arcadians, Repton, Snapper, Boxer.
Could have been any of those. Or...