The Fourth Protocol
The Fourth Protocol is an interactive fiction computer game based on Frederick Forsyth's 1984 spy novel The Fourth Protocol. The detective-style gameplay resembles contemporary menu-driven adventures such as The Vera Cruz Affair, and later titles such as Yes, Prime Minister and Floor 13.
The game was released in 1985 by Hutchinson Computer Publishing, a subsidiary of the publishing house Hutchinson. It was designed by John Lambshead and Gordon Paterson, and the programming was by Ben Notarianni,…