The Fourth Protocol

Platforms: Amstrad CPC, Amstrad PCW, Commodore 64, IBM PC/Compatibles, ZX Spectrum
Platform: Amstrad CPC
Release Date: 1986
Country: United Kingdom flagUnited Kingdom
Published By: Century Communications
Developed By: The Electronic Pencil Co. Ltd.
Platform: Amstrad PCW
Release Date: 1987
Country: United Kingdom flagUnited Kingdom
Published By: Ariolasoft UK
Developed By: The Electronic Pencil Co. Ltd.
Platform: Commodore 64
Release Date: 1985
Country: United Kingdom flagUnited Kingdom
Published By: Hutchinson Computer Publishing
Developed By: The Electronic Pencil Co. Ltd.
Platform: Commodore 64
Release Date: 1985
Country: United States flagUnited States
Published By: Bantam Software
Developed By: The Electronic Pencil Co. Ltd.
Platform: IBM PC/Compatibles
Release Date: 1987
Country: United Kingdom flagUnited Kingdom
Published By: Ariolasoft UK
Developed By: The Electronic Pencil Co. Ltd.
Platform: ZX Spectrum
Release Date: 1985
Country: United Kingdom flagUnited Kingdom
Published By: Hutchinson Computer Publishing
Developed By: The Electronic Pencil Co. Ltd.