The Fourth Protocol

Jun 20, 1985 The Electronic Pencil Co. Ltd. 5 platforms

Adventure video game Strategy video game Mystery

Based on the Cold War spy thriller of the same name by Frederick Forsyth.

Track the collection you actually own — yourself, or with your AI assistant.

Free, no card, and your collection stays yours to export.

Free, no card, yours to export.

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Released

Also known as

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Versions

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Standalone expansions

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Languages

1 language

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Developer

The Electronic Pencil Co. Ltd.

Publishers

arioloasoft
Century Communications
Hutchinson Computer Publishing

Platforms 5

Sources IGDB