Free ebook The Mystery of Mons + Workbook & Solutions of the Online Mystery Game

Pass the test, discover the secrets of the secret agents of the First World War, and maybe you too will become an expert in “psychological operations” (PSYOPS), deception and disinformation!



If you want to play this game at home or have a mystery weekend in the city of Mons, organised by us, then send us an email and we will provide you with all the details, solutions, and prices.

The Hell Hound of Mons... Fact or Fiction?

A fascinating legend 

emerged from World War One

in a book that was published two years after the

Great War.


Civilian skeptics laughed at the soldiers’ tales of the murderous giant hound of No Man’s Land, but to the soldiers it was a gruesome reality…

The Angels of Mons... Fact or Fiction?

In 1930, the British newspaper The Daily News had a story that first was published by a New York newspaper. If a former member of

the Imperial German Intelligence Service

was to be believed, British troops had in 1914 really seen what they called

The Angels of Mons...

Some names in these files are encrypted. Break the Code!

Some time ago I received an email from one Steven 718IVII14II144III12.

No more than half a year after he lost his mother, his father died in a fatal accident, in the summer of 1990. Steven moved into the house of his parents, that was once built by his grandfather – an Englishman who in 1919 married a Flemish girl he had met in the aftermath of the Great War.

A Mystery Game in the City of Mons, Belgium:

From the Angels to the Hell Hound of Mons:

a World War One Experiment with Black Propaganda…

Or what we would call now:

PSYOPS!