The Fourth Protocol

No gamepads detected. Plug in and press a button to use it.

Press Keyboard right side: Alt+Enter keys to switch to full screen game play, and Alt+Enter keys to return.

Rate it

How to play The Fourth Protocol

Each game uses different controls, most DOS games use the keyboard arrows. Some will use the mouse.

The Fourth Protocol Description

The Fourth Protocol for DOS

The Fourth Protocol - additional information

Platform
DOS
Game year
Cover Art