Quest of Eternity was to be a space based text-adventure written by Ian Soutar with Argus Press and their Mind Games department.
The description was as simple as “Starring The Zurga. After a desperate space battle only a fleet of heroes remain to prevent the invasion of earth. The future of home lies iwth you!”
Although promised for various platforms, it seems it only got released on the Electron/BBC Micro by Bug Byte (who were brought out by Argus Press). Did they do a limited release of the C64 version?
Very much early days as we try and work out what happened to this game.
Contributions: Trypticon, Marco 'Exile' Das
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It looks like a game with the same title and author was released on the BBC Micro/Electron platforms:
http://www.8bs.com/elecgame/star_force_seven.htm
Thanks Trypticon, great spot! Updated the review and added a credit!