Hutchinson Computer Publishing The Fourth Protocol Type: Bitmap graphics Written by Electronic Pencil Company Ltd and David Dunn. Runs on: Amstrad PCW [Bugs in the implementation made the Amstrad version impossible to solve. A refund was available from the publisher.] Commodore 64 Spectrum [48K] Notes: Based on the book of the same title by Frederick Forsyth. Divided into three parts. Both icon and text input.

Adventureland was created by Hans Persson and is now maintained by Stefan Meier.

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