The Fourth Protocol (video game) information you have gathered in the previous two parts, you must work out how to defuse the device. This part of the trilogy requires textual input, and plays differently depending on the version of the game. The Fourth Protocol (video game) 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 by Hutchinson Computer Publishing, a subsidiary of the publishing house Hutchinson.
The Fourth Protocol civil servant and inadvertently discovers stolen top secret documents. Despite being a notorious and infamous criminal, he is enough of a patriot to send the documents anonymously to MI5 so that they might locate the traitor. In Moscow, British defector Kim Philby drafts a memorandum for the Soviet General Secretary stating that, should the Labour Party win the next general election in the United Kingdom (scheduled for sometime in the subsequent eighteen months), the "hard left" of the party will oust the moderate populist Neil Kinnock in favour of a radical new leader who will adopt a true Marxist-Leninist manifesto,